mytf.co - robtex.com
mytf.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.199.248.12🇺🇸 Google67.199.248.0/24 BITLY/GCP | ||||||
| PTR | cname.bitly.com | ||||||
| A | 67.199.248.13🇺🇸 Google67.199.248.0/24 BITLY/GCP | ||||||
| NS | sdns26.ultradns.com ⭐ | ||||||
| A | 2610:a1:1001::1a🇺🇸 MAINT-ID-120082610:a1:1001::/48 Neustar | ||||||
| PTR | sdns26.ultradns.com | ||||||
| A | 156.154.140.26🇺🇸 MAINT-ID-12008156.154.140.0/24 Neustar | ||||||
| PTR | sdns26.ultradns.com | ||||||
| NS | sdns26.ultradns.biz | ||||||
| A | 2610:a1:1003::1a🇺🇸 MAINT-ID-120082610:a1:1003::/48 Neustar | ||||||
| PTR | sdns26.ultradns.biz | ||||||
| A | 156.154.142.26🇺🇸 MAINT-ID-12008156.154.142.0/24 Neustar | ||||||
| PTR | sdns26.ultradns.biz | ||||||
| NS | sdns26.ultradns.net | ||||||
| A | 2610:a1:1002::1a🇺🇸 MAINT-ID-120082610:a1:1002::/48 Neustar | ||||||
| PTR | sdns26.ultradns.net | ||||||
| A | 156.154.141.26🇺🇸 MAINT-ID-12008156.154.141.0/24 Neustar | ||||||
| PTR | sdns26.ultradns.net | ||||||
| NS | sdns26.ultradns.org | ||||||
| A | 2610:a1:1004::1a🇺🇸 MAINT-ID-120082610:a1:1004::/48 Neustar | ||||||
| PTR | sdns26.ultradns.org | ||||||
| A | 156.154.143.26🇺🇸 MAINT-ID-12008156.154.143.0/24 Neustar | ||||||
| PTR | sdns26.ultradns.org | ||||||
| SOA | sdns26.ultradns.comtblackwell@tracfone.com 2022-12-09 #4 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759732248 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSsdns26.ultradns.biz2026-05-13 → 2026-08-13 · 2 obs
● 2026-08-13 15:49:44
●NSsdns26.ultradns.com2026-05-13 → 2026-08-13 · 2 obs
● 2026-08-13 15:49:44
●NSsdns26.ultradns.net2026-05-13 → 2026-08-13 · 2 obs
● 2026-08-13 15:49:44
●NSsdns26.ultradns.org2026-05-13 → 2026-08-13 · 2 obs
● 2026-08-13 15:49:44
●A67.199.248.122026-05-13 → 2026-08-13 · 2 obs
● 2026-08-13 15:49:44
●A67.199.248.132026-05-13 → 2026-08-13 · 2 obs
● 2026-08-13 15:49:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, c.registrydns.co, b.registrydns.co, d.registrydns.co | - |
| mytf.co | sdns26.ultradns.biz, sdns26.ultradns.com, sdns26.ultradns.net, sdns26.ultradns.org | - |
✅ Authoritative Response
Server:156.154.142.26
NS records: sdns26.ultradns.biz, sdns26.ultradns.com, sdns26.ultradns.net, sdns26.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mytf.co (unsigned zone)
⏱️ Timing
Total: 528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 67.199.248.12, 67.199.248.13 |
| NS | 4 | sdns26.ultradns.biz, sdns26.ultradns.com... |
| SOA | 1 | sdns26.ultradns.com tblackwell.tracfone. |
Analysis
IP Addresses
mytf.co points to the IP addresses 67.199.248.12 and 67.199.248.13
Two other host names, along with airme.ch, mbg.fyi and sprbl.st, also share IP numbers with mytf.co.
Name Servers
The NS records for mytf.co point to four name servers: sdns26.ultradns.biz, sdns26.ultradns.com, sdns26.ultradns.net and sdns26.ultradns.org.
There is at least partial name server overlap between mytf.co and other domains — tf-n.com, tracphone.biz, tfwstore.com and two more among them.
All four hostnames — sdns26.ultradns.biz, sdns26.ultradns.com, sdns26.ultradns.net and sdns26.ultradns.org — resolve to two IP numbers apiece: sdns26.ultradns.biz to 156.154.142.26 and 2610:a1:1003::1a; sdns26.ultradns.com to 156.154.140.26 and 2610:a1:1001::1a; sdns26.ultradns.net to 156.154.141.26 and 2610:a1:1002::1a; sdns26.ultradns.org to 156.154.143.26 and 2610:a1:1004::1a.