phonesupgrade.com - robtex.com
phonesupgrade.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | sdns26.ultradns.biz ⚠️ Not in zone NS records | ||||||
| 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.com ⚠️ Not in zone NS records | ||||||
| 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.net ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778485601 | ||||||
Same first word
phonesupgrade.com |
DNS History
4 records (4 active, 0 former)
●NSsdns26.ultradns.biz2026-05-03 → 2026-05-11 · 2 obs
● 2026-05-11 07:58:20
●NSsdns26.ultradns.com2026-05-03 → 2026-05-11 · 2 obs
● 2026-05-11 07:58:20
●NSsdns26.ultradns.net2026-05-03 → 2026-05-11 · 2 obs
● 2026-05-11 07:58:20
●NSsdns26.ultradns.org2026-05-03 → 2026-05-11 · 2 obs
● 2026-05-11 07:58:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net... | - |
| phonesupgrade.com | sdns26.ultradns.com, sdns26.ultradns.net, sdns26.ultradns.biz, sdns26.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.141.26
NS records: sdns26.ultradns.com, sdns26.ultradns.net, sdns26.ultradns.biz, sdns26.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for phonesupgrade.com (unsigned zone)
⏱️ Timing
Total: 1405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (sdns26.ultradns.com, sdns26.ultradns.com)
Analysis
Name Servers
phonesupgrade.com is delegated to four name servers: sdns26.ultradns.biz, sdns26.ultradns.com, sdns26.ultradns.net and sdns26.ultradns.org.
phonesupgrade.com shares name servers with other domains at least partially, for instance tracfonewireless.net, n10-o.com, mms-tf.net, safelinkproof.com and nt10.ly.
Host names with two IP numbers:
sdns26.ultradns.biz resolves to 2610:a1:1003::1a and 156.154.142.26.
sdns26.ultradns.com resolves to 2610:a1:1001::1a and 156.154.140.26.
sdns26.ultradns.net resolves to 2610:a1:1002::1a and 156.154.141.26.
sdns26.ultradns.org resolves to 2610:a1:1004::1a and 156.154.143.26.