contractbook.dk

📜 Historical scan 2026-08-28 11:27:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

contractbook.dk is a .dk domain served by 2 nameservers (charles.ns.cloudflare.com, mary.ns.cloudflare.com). It was registered on 26 May 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
charles.ns.cloudflare.com	108.162.193.83 172.64.33.83 173.245.59.83 2606:4700:58::adf5:3b53 2803:f800:50::6ca2:c153 2a06:98c1:50::ac40:2153	charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mary.ns.cloudflare.com	108.162.192.134 172.64.32.134 173.245.58.134 2606:4700:50::adf5:3a86 2803:f800:50::6ca2:c086 2a06:98c1:50::ac40:2086	mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com mary.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	300s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

5 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 82ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:cb:2000::1	300s	—	AS13335	Cloudflare, Inc.	2620:cb:2000:0:0:0:0:0/48	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 269ms

TXT Record
aQy7Ek8vsfqDVxZJ
google-site-verification=tmgPwM1AQr0BuDfblM7Gta7vq2xqNotbJZxlMD0YgEs
v=spf1 include:_spf.google.com include:mail.zendesk.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (contractbook.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:mail.zendesk.com include:web.shared.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.contractbook.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:637795eb18659@ag.eu.dmarcly.com; ruf=mailto:637795eb18659@fo.eu.dmarcly.com; sp=reject;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 23:03:13

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network contractbook.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242) www.contractbook.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
Wildcard	No

✍️ DKIM keys#

4 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u21208614.wl115.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u21208614.wl115.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.contractbook.dk	Arwufg3_ZN41JqccBM1hlujDr3xDhRerKaNyXdXWewg
TXT	_acme-challenge.contractbook.dk	sa9wqRVyg9Jx0dLa8qX-uRmE9Yf9P8uhXmJe8RM5yrw

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

181ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2413375199
Primary NS (MNAME)	charles.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 18:12:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-05-26
Expires	2034-05-31 (2781d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

79ms

76ms

86ms

AAAA

82ms

TXT

269ms

CAA

76ms

HTTPS

90ms

TLSA

784ms

SOA

0ms

MTA-STS

115ms

DNSSEC

181ms

SRV

136ms

Total

1988ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 23:03:13	3660ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-29 11:28:33	2343ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-24 10:51:27	1660ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-23 10:46:25	1797ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-07 00:54:51	2274ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-30 22:45:15	3081ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-28 11:27:46 shown	1988ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-10 16:19:10	7304ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-25 18:46:16	1515ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-23 17:17:39	2202ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-08 14:10:27	18961ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-02 00:01:03	2344ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-16 22:11:01	543ms	2 NS 1 A 5 MX	🔓 Insecure