specification-writer.org - robtex.com
specification-writer.org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3030::ac43:8f3f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:1ba2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.27.162Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.143.63🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ns1.ubmdns.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.ubmdns.com | ||||||
| A | 162.159.0.208Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.ubmdns.com | ||||||
| A | 2400:cb00:2049:1::a29f:1d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns2.ubmdns.com | ||||||
| A | 162.159.1.208Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.ubmdns.com | ||||||
| TXT | v=spf1 mx include:spf.ubm-us.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.27.162, 172.67.143.63 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:8f3f, 2606:4700:3035::6815:1ba2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=181, name=cloudflare-ech.com | ||||||
| SOA | ns1.ubmdns.comdns@cloudflare.com serial=2409120641 | ||||||
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=1784238323 | ||||||
Same first word
specification-writer.org |
specification-writer.net |
specification-writer.com |
DNS History
9 records (6 active, 3 former)
●NSns1.ubmdns.com2018-01-11 → 2026-07-16 · 2 obs
● 2026-07-16 22:13:32
●NSns2.ubmdns.com2018-01-11 → 2026-07-16 · 2 obs
● 2026-07-16 22:13:32
○MXmail1.ubm-us.net2018-01-11 → 2018-01-11 · 3 obs
○ 2026-07-13 10:49:48
○ 2026-07-16 22:13:32
●A104.21.27.1622026-07-13 → 2026-07-16 · 3 obs
● 2026-07-13 10:49:48
● 2026-07-16 22:13:32
●A172.67.143.632026-07-13 → 2026-07-16 · 3 obs
● 2026-07-13 10:49:48
● 2026-07-16 22:13:32
○A192.155.48.932018-01-11 → 2018-01-11 · 3 obs
○ 2026-07-13 10:49:48
○ 2026-07-16 22:13:32
●A2606:4700:3030::ac43:8f3f2026-07-13 → 2026-07-16 · 3 obs
● 2026-07-13 10:49:48
● 2026-07-16 22:13:32
●A2606:4700:3035::6815:1ba22026-07-13 → 2026-07-16 · 3 obs
● 2026-07-13 10:49:48
● 2026-07-16 22:13:32
○A2620:103::192:155:48:932018-01-11 → 2018-01-11 · 3 obs
○ 2026-07-13 10:49:48
○ 2026-07-16 22:13:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| specification-writer.org | ns1.ubmdns.com, ns2.ubmdns.com | - |
✅ Authoritative Response
Server:162.159.0.208
NS records: ns1.ubmdns.com, ns2.ubmdns.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 392ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.27.162, 172.67.143.63 |
| AAAA | 2 | 2606:4700:3035::6815:1ba2, 2606:4700:3030::ac43:8f3f |
| NS | 2 | ns1.ubmdns.com, ns2.ubmdns.com |
| TXT | 1 | v=spf1 mx include:spf.ubm-us.net -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ns1.ubmdns.com dns.cloudflare.com |
Analysis
IP Addresses
specification-writer.org has four IP addresses: 104.21.27.162, 172.67.143.63, 2606:4700:3030::ac43:8f3f and 2606:4700:3035::6815:1ba2.
pilard-nekretnine.com, edutrg.com, mail.yummychiangmai.com plus two other host names have IP numbers in common with specification-writer.org.
Name Servers
specification-writer.org is served by two delegated name servers, ns1.ubmdns.com and ns2.ubmdns.com.
The name server configuration of specification-writer.org is shared with other domains, for instance drdobbs.us, cphi-sea.com, broadbandwirelessbusiness.com and two others.
Each of the two host names carries two IP addresses: ns1.ubmdns.com points to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0, and ns2.ubmdns.com points to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.