postit.dk

📜 Historical scan 2026-10-12 21:57:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

postit.dk is a .dk domain served by 2 nameservers (a.ns.3m.com, b.ns.3m.com). It was registered on 18 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.133.80.45 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
a.ns.3m.com	162.159.8.174 2400:cb00:2049:1::a29f:8ae	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
b.ns.3m.com	173.245.58.19 2400:cb00:2049:1::adf5:3a13	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.133.80.45	60s	ec2-3-133-80-45.us-east-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	Columbus
3.135.119.194	60s	ec2-3-135-119-194.us-east-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	Columbus

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 553ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (postit.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.postit.dk)
p=quarantine	v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

📬 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 2026-10-17 08:08:25

www CNAME	svs.3m.com (all on 3m.com) → 3.134.142.239 3.136.29.163 (AS16509)
www vs bare domain	Same network postit.dk: 3.134.142.239 3.136.29.163 (AS16509) www.postit.dk: 3.134.142.239 3.136.29.163 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.postit.dk	CBdyDJgzMl7wiGUyxG4lLQqR0LCZHmomXrSrABqyAnk
TXT	_acme-challenge.postit.dk	cSLCWx2tBLk34HfJUeT_W3rIUnz0MMlTSMrv6Nd_cDE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2417285698
Primary NS (MNAME)	a.ns.3m.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 08:41:57

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2020-05-18
Expires	2027-05-31 (226d)

🔗 Same registrant#

3 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
3mcompany.dk	CSC Digital Brand Service, Inc
3mespe.dk	CSC Digital Brand Service, Inc
3mhealthcare.dk	CSC Digital Brand Service, Inc

📋 WHOIS#

⏱️ Lookup Timing#

40ms

43ms

62ms

AAAA

41ms

TXT

553ms

CAA

36ms

HTTPS

59ms

TLSA

104ms

SOA

46ms

MTA-STS

53ms

DNSSEC

62ms

SRV

57ms

Total

847ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 08:08:25	1518ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-14 01:43:44	2321ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-12 21:57:05 shown	847ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-10 21:06:22	1192ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 13:35:57	701ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 19:30:32	775ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-11 09:04:54	1381ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 09:14:31	1353ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 11:46:24	2284ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-11 22:44:35	8805ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 10:15:20	1697ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 03:15:43	1007ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 22:42:02	2658ms	2 NS 2 A 0 MX	🔓 Insecure