observationdocumentations.com - dns.ninja

`observationdocumentations.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8389^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:a9b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.155^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.137^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`maria.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maria.ns.cloudflare.com`
		A	108.162.192.192^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	172.64.32.192^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	173.245.58.192^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
NS	`oswald.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bda^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oswald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oswald.ns.cloudflare.com`
		A	108.162.193.218^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	172.64.33.218^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	173.245.59.218^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=5p5PgeDhIPdyVVB3-y6nVpWw6Fo-TM-jOsbueVkpnfg`
TXT	`v=DMARC1; p=reject; rua=mailto:dmarc-reports@observationdocumentations.com`
TXT	`v=spf1 ip4:185.0.0.0/8 ip4:64.0.0.0/8 ip4:191.0.0.0/8 ip4:194.0.0.0/8 ip4:193...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.155, 172.67.131.137
		IPv6 hints	2606:4700:3032::ac43:8389, 2606:4700:3033::6815:a9b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOA	`maria.ns.cloudflare.com`dns@cloudflare.com serial=2410488760

`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.net`nstld@verisign-grs.com serial=1786236109

Previously MX for

observationdocumentations.com

Same first word

observationdocumentations.com

DNS History

21 records (11 active, 10 former)

○NSdns1.registrar-servers.com2018-11-01 → 2018-11-01 · 3 obs

● 2018-11-01 00:45:40
○ 2021-02-11 12:32:34
○ 2026-08-09 00:52:32

○NSdns2.registrar-servers.com2018-11-01 → 2018-11-01 · 3 obs

● 2018-11-01 00:45:40
○ 2021-02-11 12:32:34
○ 2026-08-09 00:52:32

●NSmaria.ns.cloudflare.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

●NSoswald.ns.cloudflare.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

●MXalt1.aspmx.l.google.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

●MXalt2.aspmx.l.google.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

●MXaspmx.l.google.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

●MXaspmx2.googlemail.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

●MXaspmx3.googlemail.com2021-02-11 → 2026-08-09 · 3 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-08-09 00:52:32

○MXobservationdocumentations.com2018-11-01 → 2018-11-01 · 3 obs

● 2018-11-01 00:45:40
○ 2021-02-11 12:32:34
○ 2026-08-09 00:52:32

●A104.21.10.1552021-02-11 → 2026-08-09 · 6 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-03-19 20:06:42
○ 2026-03-28 14:35:46
● 2026-06-01 05:46:44
● 2026-08-09 00:52:32

●A172.67.131.1372021-02-11 → 2026-08-09 · 6 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-03-19 20:06:42
○ 2026-03-28 14:35:46
● 2026-06-01 05:46:44
● 2026-08-09 00:52:32

○A188.114.96.02026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-19 20:06:42
● 2026-03-28 14:35:46
○ 2026-06-01 05:46:44
○ 2026-08-09 00:52:32

○A188.114.97.02026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-19 20:06:42
● 2026-03-28 14:35:46
○ 2026-06-01 05:46:44
○ 2026-08-09 00:52:32

○A2606:4700:3031::ac43:83892021-02-11 → 2026-06-10 · 8 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-03-19 20:06:42
○ 2026-03-28 14:35:46
● 2026-06-01 05:46:44
● 2026-06-10 07:05:00
○ 2026-06-29 17:36:08
○ 2026-08-09 00:52:32

●A2606:4700:3032::ac43:83892026-06-29 → 2026-08-09 · 3 obs

○ 2026-06-10 07:05:00
● 2026-06-29 17:36:08
● 2026-08-09 00:52:32

●A2606:4700:3033::6815:a9b2026-06-29 → 2026-08-09 · 3 obs

○ 2026-06-10 07:05:00
● 2026-06-29 17:36:08
● 2026-08-09 00:52:32

○A2606:4700:3034::6815:a9b2021-02-11 → 2026-06-10 · 8 obs

○ 2018-11-01 00:45:40
● 2021-02-11 12:32:34
● 2026-03-19 20:06:42
○ 2026-03-28 14:35:46
● 2026-06-01 05:46:44
● 2026-06-10 07:05:00
○ 2026-06-29 17:36:08
○ 2026-08-09 00:52:32

○A2a06:98c1:3120::2026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-19 20:06:42
● 2026-03-28 14:35:46
○ 2026-06-01 05:46:44
○ 2026-08-09 00:52:32

○A2a06:98c1:3121::2026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-19 20:06:42
● 2026-03-28 14:35:46
○ 2026-06-01 05:46:44
○ 2026-08-09 00:52:32

○A52.200.208.422018-11-01 → 2018-11-01 · 3 obs

● 2018-11-01 00:45:40
○ 2021-02-11 12:32:34
○ 2026-08-09 00:52:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
observationdocumentations.com	oswald.ns.cloudflare.com, maria.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.192

NS records: oswald.ns.cloudflare.com, maria.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for observationdocumentations.com (unsigned zone)

⏱️ Timing

Total: 239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.137, 104.21.10.155`
AAAA	2	`2606:4700:3032::ac43:8389, 2606:4700:3033::6815:a9b`
NS	2	`maria.ns.cloudflare.com, oswald.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	3	`google-site-verification=5p5PgeDhIPdyVVB, v=DMARC1; p=reject; rua=mailto:dmarc-rep...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`maria.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (oswald.ns.cloudflare.com, oswald.ns.cloudflare.com, oswald.ns.cloudflare.com...)

Analysis

IP Addresses

observationdocumentations.com directs to four IP numbers, which are 104.21.10.155, 172.67.131.137, 2606:4700:3032::ac43:8389 and 2606:4700:3033::6815:a9b.

downloadmost.com, www.bfcvideo.com, www.associationvictorhugo.lu plus two other host names have IP numbers in common with observationdocumentations.com.

Name Servers

DNS delegation for observationdocumentations.com points to two name servers: maria.ns.cloudflare.com and oswald.ns.cloudflare.com.

The name server configuration of observationdocumentations.com is shared with other domains, for instance clarustech4.com, looklovelylondon.co.uk, ssmdoaudit.com and two others.

There is at least partial name server overlap between observationdocumentations.com and other domains — solegroup.co.uk, tianbaokeji.cn, learn4exam.com and two more among them.

These name servers frequently co-occur with the name servers opal.ns.cloudflare.com and cosmin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

maria.ns.cloudflare.com has IP addresses 108.162.192.192, 172.64.32.192 and 173.245.58.192, plus 3 other.

oswald.ns.cloudflare.com has IP addresses 108.162.193.218, 172.64.33.218 and 173.245.59.218, plus 3 other.

Mail Servers

Five mail servers handle observationdocumentations.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by observationdocumentations.com are shared with other domains: ns500841.ns500821.ns500841.ns500841.ns500821.ns500795.ns500794.ns500795.ns500821.ns500795.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, sps-apart.com, twbsd.org and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com has two IP addresses: 172.253.115.27 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

Host names pointing to 2800:3f0:4003:c14::1a IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 2a00:1450:400b:c02::1b IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.