ultravailable.org - robtex.com
ultravailable.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns0.attdns.net ⭐ | ||||||
| A | 172.29.0.1UNSPECIFIED160.0.0.0/3 | ||||||
| NS | ns10a.attdns.net | ||||||
| A | 144.160.229.221🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| PTR | ns10a.attdns.net | ||||||
| NS | ns10b.attdns.net | ||||||
| A | 144.160.128.177🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| PTR | ns10b.attdns.net | ||||||
| NS | ns10d.attdns.net | ||||||
| A | 144.160.128.159🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| PTR | ns10d.attdns.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns0.attdns.neteiss-dns@att.com 2025-09-10 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774596810 | ||||||
Same first word
DNS History
6 records (4 active, 2 former)
●NSns0.attdns.net2015-05-31 → 2026-03-27 · 2 obs
● 2026-03-27 07:42:42
●NSns10a.attdns.net2015-05-31 → 2026-03-27 · 2 obs
● 2026-03-27 07:42:42
●NSns10b.attdns.net2015-05-31 → 2026-03-27 · 2 obs
● 2026-03-27 07:42:42
●NSns10d.attdns.net2026-02-18 → 2026-03-27 · 3 obs
● 2026-02-18 18:18:26
● 2026-03-27 07:42:42
○A144.160.155.432015-05-31 → 2016-01-01 · 4 obs
● 2016-01-01 05:46:32
○ 2016-04-02 10:07:16
○ 2026-03-27 07:42:42
○A144.160.36.422015-05-31 → 2016-01-01 · 4 obs
● 2016-01-01 05:46:32
○ 2016-04-02 10:07:16
○ 2026-03-27 07:42:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| ultravailable.org | ns10d.attdns.net, ns10b.attdns.net, ns10a.attdns.net | - |
✅ Authoritative Response
Server:144.160.128.177
NS records: ns10d.attdns.net, ns10b.attdns.net, ns10a.attdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ultravailable.org (unsigned zone)
⏱️ Timing
Total: 953ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns10a.attdns.net, ns10d.attdns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns0.attdns.net eiss-dns.att.com |
Analysis
Name Servers
ultravailable.org is delegated to four name servers: ns0.attdns.net, ns10a.attdns.net, ns10b.attdns.net and ns10d.attdns.net.
ultravailable.org at least partially shares name servers with other domains, for instance 16.36.99.in-addr.arpa, 194.243.76.in-addr.arpa, 224.154.70.in-addr.arpa, 53.127.99.in-addr.arpa and 245.249.70.in-addr.arpa.
These name servers are commonly used with the name servers ns0.attdns.com.
Host names with one IP number:
ns0.attdns.net points to 172.29.0.1
ns10a.attdns.net points to 144.160.229.221
ns10b.attdns.net points to 144.160.128.177
ns10d.attdns.net points to 144.160.128.159