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Last Update Updated 7 months
Domain Age6.1 yrs
Backlinks20
Trust Flow0

Domain Highlights

Hidden Gem
3 chars .io Numeric 20 backlinks

669.io represents a liquid three-digit numeric asset within the popular tech-centric .io extension. Short numeric domains often attract interest from the gaming, crypto, and software development sectors, particularly within Asian markets where specific number sequences carry cultural or symbolic weight. Early auction activity suggests the name is currently lightly contested, though the six-year registration history provides a baseline of age for those tracking short-string inventory. This remains a speculative play for investors who focus on the inherent liquidity and floor pricing of three-character .io assets.

Source Namecheap
Last Known Bid $15.00
Auction Type Expired Domain
Number of Bids 1
End Date Mar 7, 2026
End Time 9:00 AM CST
Status Ended
Auction Link View Listing
TLD .io
SLD 669
Length 3 characters
Word Count 0
Registration Date Jan 27, 2020
Expiry Date N/A
Domain Age 6.1 years
Appraisal Value N/A
Numeric Yes
Hyphenated No
Backlinks 20
Referring Domains 0
Domain Authority (DA) 0/100
Page Authority (PA) 0/100
Trust Flow (TF) 0
Citation Flow (CF) 0
Est. Monthly Traffic 0

How each scoring factor contributed to the overall rating of 48/100.

TLD Quality
10.0/15.0
Domain Length
10.0/10.0
Brandability
1.0/10.0
Domain Age
1.6/4.0
Number of Bids
3.0/15.0
Current Bid Value
2.4/12.0
Backlinks / Authority
1.0/5.0
Appraisal Value
1.4/21.0
No Hyphens
4.0/4.0
No Numbers
4.0/4.0
Keywords
0.0/5.0

Special Bonuses
Numeric Short Domain +10

Purely numeric 3-digit domain (+10)


Final Rating 48/100
Domain Date Sold Venue Est. Price
KMV.IO Mar 3, 2026 GoDaddy $100 – $500+
WDT.IO Mar 2, 2026 Namecheap $12 – $100+
ZBT.IO Mar 1, 2026 GoDaddy $12 – $100+
HPB.IO Feb 22, 2026 Dynadot $12 – $50+
FPV.IO Feb 21, 2026 Namecheap $12 – $100+
3986.NET Mar 6, 2026 Namecheap $12 – $25+

Prices are estimated ranges based on last known bids, not confirmed sale prices.

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