think.dk

📜 Historical scan 2026-06-18 03:22:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

think.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 1 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.140.184 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is DNSSEC-signed and validates, has no 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#

3 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services 37.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records#

1 records 22ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.140.184	—	li1656-184.members.linode.com	AS63949	Akamai Connected Cloud	172.104.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	ASPMX.L.GOOGLE.COM	2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 64.233.161.27	lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	ALT1.ASPMX.L.GOOGLE.COM	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	ALT2.ASPMX.L.GOOGLE.COM	108.177.125.27 2404:6800:4003:c26::1b	tp-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	ALT3.ASPMX.L.GOOGLE.COM	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	ALT4.ASPMX.L.GOOGLE.COM	173.194.43.26 2607:f8b0:400e:c1e::1a	yudlsqd-in-f26.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 22ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7e01::f03c:92ff:feaa:7548	—	—	AS63949	Akamai Connected Cloud	2a01:7e00:0:0:0:0:0:0/30	🇩🇪 Germany	Frankfurt am Main

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 306ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (think.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 18:38:39

www	193.234.88.230 2a0f:85c1:e41::112 (AS201061) (address records, no CNAME)
www vs bare domain	Same network think.dk: 193.234.88.230 2a0f:85c1:e41::112 (AS201061) www.think.dk: 193.234.88.230 2a0f:85c1:e41::112 (AS201061)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

25ms

Field	Value
Serial	2023030924
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration#

WHOIS fetched 2026-10-12 10:58:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-12-01
Expires	2029-12-31 (1169d)

🔗 Same registrant#

7 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).

Domain	Registrar
bodals.dk	Punktum dk A/S (direct)
derfindesenandenvej.dk	Punktum dk A/S (direct)
himmelmekanik.dk	Punktum dk A/S (direct)
kaestel.dk	Punktum dk A/S (direct)
kæstel.dk	Punktum dk A/S (direct)
parentnode.dk	Punktum dk A/S (direct)
rxk.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

22ms

26ms

AAAA

22ms

TXT

306ms

CAA

23ms

HTTPS

22ms

TLSA

128ms

SOA

25ms

MTA-STS

231ms

DNSSEC

94ms

SRV

128ms

Total

939ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 18:38:39	2031ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-02 17:01:25	713ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-16 11:56:58	625ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-27 03:40:43	777ms	3 NS 1 A 5 MX	🔒 Secure
2026-07-04 15:20:41	4674ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-20 03:23:43	761ms	3 NS 1 A 5 MX	⚠️ Bogus
2026-06-18 03:22:32 shown	939ms	3 NS 1 A 5 MX	🔒 Secure