Spaceship .SI Promo Codes & Domain Pricing (Oct 2026)
Spaceship offers .SI domain registration starting at $6.65 (39% off, with promo code), ranking #1 for registration across 57 tracked registrars. Renewals continue at $11.98/yr with free WHOIS privacy included.
Registration $6.65, renewal $11.98 & transfer $0.00
Open SpaceshipLong-Term Cost Calculator
The Only Calculator That Reveals the True Cost of Your Domain.
| Option | Total Cost |
|---|---|
| Promo (SIREGSPS26) $6.65 start price | $30.61 |
| Regular Registration $10.98 start price | $34.94 |
How it works: Total cost = First year price + (Renewal price × Remaining years). For renewals, it's simply Renewal price × Years. This helps you compare the true long-term value of promotional offers versus regular pricing.
.SI Domain Price Trends at Spaceship
Track how .SI domain prices at Spaceship have changed over time. Monitoring these trends helps you identify the best times to buy, renew, or transfer your domains.
Price History
Prices shown are for Spaceship
.SI Price Changes at Spaceship
Recent price fluctuations, promotional discounts, and renewal rate changes for .SI domains.
| Price Type | Old Price | New Price | Change | When |
|---|---|---|---|---|
| Register Promo Price | $9.94 | $6.65 | 33.1% | 8 hours ago |
Market Rankings
See how Spaceship stacks up against 56 other registrars for .SI pricing.
Spaceship Market Rankings (vs 56 other registrars)
Market Leader: Spaceship is currently ranked among the top registrars for #1 initial registration price, #1 low transfer fees, #3 3-year commitment value, and #3 long-term 5-year savings.
As of October 15, 2026, Spaceship offers .SI domain registration at $6.65, which is 80% lower than the average registration cost of $32.71 (the lowest rate among 57 registrars). This offer was updated recently from $9.94 (a 33% price drop).
Annual renewals at Spaceship cost $11.98/year, which is 69% lower than the industry renewal average of $38.56 (ranked #4). Standard renewal pricing applies after the first year.
Total cost at Spaceship comes to $30.61 over 3 years (ranked #3) and $54.57 over 5 years (ranked #3). For domain transfers, Spaceship has the lowest price in our index at free ($0.00) (ranked #1 among 57 registrars).
Comparison: Spaceship vs. Major Competitors
See how Spaceship's .SI pricing stacks up against top registrars.
| Feature | Spaceship | Hostinger | Namecheap | Winner |
|---|---|---|---|---|
| 1st Year Price | $6.65 | $8.49 | $11.98 | Spaceship |
| Renewal Price | $11.98 | $10.99 | $15.48 | Hostinger |
| ICANN Fee | $0.00 | $0.20 | $0.20 | Spaceship |
| 3 Years Price | $30.61 | $30.47 | $42.94 | Hostinger |
| 5 Years Price | $54.57 | $52.45 | $73.90 | Hostinger |
| Transfer Fee | $0.00 | $0.10 | NA | Spaceship |
| Whois Privacy | Free | Free | Free | Tie |
Verdict: Spaceship offers a lower initial entry point (saving you $1.84 on year one (limit 1)), though Hostinger provides cheaper ongoing renewals by $0.99/yr.
Challenge This Offer
While we've highlighted the top market competitors above for .SI domains, we believe in total transparency. Search below to compare Spaceship with any other registrar.
Select a registrar from the list to update the comparison table.
Pros & Cons of Spaceship for .SI Domains
The Good
- Lowest first-year .SI price ($6.65)
- Free WHOIS Privacy forever
- Trustpilot rating is Excellent (4.3 stars)
- Low transfer fees (#1 in market)
- Official ICANN-accredited registrar
- 8.9m gTLD domains under management
The Bad
- $6.65 promo price: limit 1 per customer
How to Redeem This Spaceship Offer
Follow these simple steps to secure your .SI domain for just $6.65.
Other Spaceship Domain Deals
Registration, renewal, and transfer rates for other popular domain extensions offered by Spaceship.
| Domain | New | Renew | Transfer |
|---|---|---|---|
| .com Offer Details | $2.90 | $10.18 | $3.94 |
| .net Offer Details | $4.98 | $11.40 | $5.94 |
| .org Offer Details | $3.44 | $11.59 | $3.44 |
| .ai Offer Details | $79.98 | $79.98 | $79.98 |
| .io Offer Details | $14.98 | $51.75 | $38.88 |
| .co Offer Details | $4.96 | $31.05 | $23.94 |
Alternative .SI Deals
Compare Spaceship with other top-rated registrars offering .SI extensions.
Frequently Asked Questions
Is Spaceship the cheapest option for .SI domains?
Yes, Spaceship is currently the #1 cheapest option for .SI registrations. As an ICANN-accredited industry giant, they rank #1 out of 57 registrars tracked in our real-time market index.
Will the .SI price increase after the first year at Spaceship?
Yes, renewals continue at the standard rate of $11.98. Note that this is higher than the introductory 1st-year price of $6.65, which is standard for first-year promotions.
How much does it cost to transfer a .SI domain to Spaceship?
Transferring a .SI to Spaceship costs $0.00. This is the #1 lowest transfer rate currently tracked in our index. The fee typically includes a 1-year registration extension.
Is Spaceship a good choice for long-term .SI registration?
For long-term .SI ownership, Spaceship offers a 5-year total cost of $54.57 (ranked #3), making them a strategic choice for long-term brand protection and maximum savings. Backed by a 4.3-star Trustpilot rating, they combine predictable recurring pricing with reliable service.
Is Spaceship cheaper than Hostinger for .SI?
Yes, Spaceship is currently $1.84 cheaper than industry giant Hostinger for first-year .SI registrations.
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