`specification-writer.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:d64^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c7d1^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.100^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.209^{🇺🇸 Cloudflare172.67.192.0/20 , 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	162.159.0.208^{Cloudflare162.159.0.0/24 , 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	162.159.1.208^{Cloudflare162.159.1.0/24 , 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	104.21.13.100, 172.67.199.209
		IPv6 hints	2606:4700:3033::6815:d64, 2606:4700:3036::ac43:c7d1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=4, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2409120637

`net`

	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.net`nstld@verisign-grs.com serial=1784185522

Same first word

specification-writer.org

specification-writer.net

specification-writer.com

DNS History

11 records (6 active, 5 former)

●NSns1.ubmdns.com2020-02-17 → 2026-07-16 · 2 obs

● 2020-02-17 01:00:36
● 2026-07-16 07:13:28

●NSns2.ubmdns.com2020-02-17 → 2026-07-16 · 2 obs

● 2020-02-17 01:00:36
● 2026-07-16 07:13:28

○MXmail1.ubm-us.net2020-02-17 → 2020-02-17 · 3 obs

● 2020-02-17 01:00:36
○ 2026-07-13 10:59:36
○ 2026-07-16 07:13:28

●A104.21.13.1002026-07-13 → 2026-07-16 · 3 obs

○ 2020-02-17 01:00:36
● 2026-07-13 10:59:36
● 2026-07-16 07:13:28

○A104.31.76.1072020-02-17 → 2020-02-17 · 3 obs

● 2020-02-17 01:00:36
○ 2026-07-13 10:59:36
○ 2026-07-16 07:13:28

○A104.31.77.1072020-02-17 → 2020-02-17 · 3 obs

● 2020-02-17 01:00:36
○ 2026-07-13 10:59:36
○ 2026-07-16 07:13:28

●A172.67.199.2092026-07-13 → 2026-07-16 · 3 obs

○ 2020-02-17 01:00:36
● 2026-07-13 10:59:36
● 2026-07-16 07:13:28

●A2606:4700:3033::6815:d642026-07-13 → 2026-07-16 · 3 obs

○ 2020-02-17 01:00:36
● 2026-07-13 10:59:36
● 2026-07-16 07:13:28

○A2606:4700:3033::681f:4c6b2020-02-17 → 2020-02-17 · 3 obs

● 2020-02-17 01:00:36
○ 2026-07-13 10:59:36
○ 2026-07-16 07:13:28

●A2606:4700:3036::ac43:c7d12026-07-13 → 2026-07-16 · 3 obs

○ 2020-02-17 01:00:36
● 2026-07-13 10:59:36
● 2026-07-16 07:13:28

○A2606:4700:3037::681f:4d6b2020-02-17 → 2020-02-17 · 3 obs

● 2020-02-17 01:00:36
○ 2026-07-13 10:59:36
○ 2026-07-16 07:13:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
specification-writer.net	ns1.ubmdns.com, ns2.ubmdns.com	-

✅ Authoritative Response

Server:162.159.1.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1799ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.100, 172.67.199.209`
AAAA	2	`2606:4700:3033::6815:d64, 2606:4700:3036::ac43:c7d1`
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.net has four IP addresses: 104.21.13.100, 172.67.199.209, 2606:4700:3033::6815:d64 and 2606:4700:3036::ac43:c7d1.

Additional host names — gt-realty.com, oakgrovepestcontrol.com, roominatetoy.com and two others — share IP numbers with specification-writer.net.

Name Servers

The NS records for specification-writer.net delegate to ns1.ubmdns.com and ns2.ubmdns.com.

specification-writer.net shares its name server setup with other domains, including immalmanac.com, theitsoftwarecommunity.com, crop-world.net and two others.

ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. Likewise, ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0 — two IP addresses apiece.

specification-writer.net - robtex.com