`contractbook.dk`

DNSSEC	⚠️ Not signed
A	2620:cb:2000::1^{Cloudflare2620:cb:2000::/48 Webflow}
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
NS	`charles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c153^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2153^{🇺🇸 Cloudflare2a06:98c1:50::/45}
		A	108.162.193.83^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.83^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.83^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`aQy7Ek8vsfqDVxZJ`
TXT	`google-site-verification=tmgPwM1AQr0BuDfblM7Gta7vq2xqNotbJZxlMD0YgEs`
TXT	`v=spf1 include:_spf.google.com include:mail.zendesk.com include:web.shared.my...`
SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2396227946

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐ 🔒
	NS	`c.nic.dk` 🔒
	NS	`h.nic.dk` 🔒
	NS	`l.nic.dk` 🔒
	NS	`s.nic.dk` 🔒
	NS	`t.nic.dk` 🔒
	TXT	`DK zone updateEpoch 1771291441localtime Tue Feb 17 02:24:01 2026gmtime Tue Fe...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1771291261

Same first word

contractbook.co

contractbook.com

DNS History

15 records (9 active, 6 former)

●NScharles.ns.cloudflare.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

●NSmary.ns.cloudflare.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

●MXalt1.aspmx.l.google.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

●MXalt2.aspmx.l.google.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

●MXalt3.aspmx.l.google.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

●MXalt4.aspmx.l.google.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

●MXaspmx.l.google.com2020-02-10 → 2026-03-06 · 2 obs

● 2020-02-10 01:19:12
● 2026-03-06 00:41:18

○MXmxa.mailgun.org2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 01:19:12
○ 2026-03-06 00:41:16
○ 2026-03-06 00:41:18

○MXmxb.mailgun.org2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 01:19:12
○ 2026-03-06 00:41:16
○ 2026-03-06 00:41:18

○A104.28.10.152020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 01:19:12
○ 2026-03-06 00:41:16
○ 2026-03-06 00:41:18

○A104.28.11.152020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 01:19:12
○ 2026-03-06 00:41:16
○ 2026-03-06 00:41:18

●A198.202.211.12026-03-06 → 2026-03-06 · 3 obs

○ 2020-02-10 01:19:12
● 2026-03-06 00:41:16
● 2026-03-06 00:41:18

○A2606:4700:3030::681c:a0f2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 01:19:12
○ 2026-03-06 00:41:16
○ 2026-03-06 00:41:18

○A2606:4700:3037::681c:b0f2020-02-10 → 2020-02-10 · 3 obs

● 2020-02-10 01:19:12
○ 2026-03-06 00:41:16
○ 2026-03-06 00:41:18

●A2620:cb:2000::12026-03-06 → 2026-03-06 · 3 obs

○ 2020-02-10 01:19:12
● 2026-03-06 00:41:16
● 2026-03-06 00:41:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
contractbook.dk	charles.ns.cloudflare.com, mary.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.32.134

NS records: charles.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractbook.dk (unsigned zone)

⏱️ Timing

Total: 860ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
AAAA	1	`2620:cb:2000::1`
NS	2	`charles.ns.cloudflare.com, mary.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`aQy7Ek8vsfqDVxZJ, google-site-verification=tmgPwM1AQr0BuDf...`
SOA	1	`charles.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

contractbook.dk resolves to two IP numbers: 2620:cb:2000::1 and 198.202.211.1.

Name Servers

contractbook.dk is delegated to two name servers charles.ns.cloudflare.com and mary.ns.cloudflare.com.

contractbook.dk shares the same name server setup as other domains, for instance netmotors.cl, cuatroruedas.cl, mfpets.cl, daff.cl and sparklerfactory.com.