postit.dk

📜 Historical scan 2026-10-03 13:35:57  ·  ← 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 18.190.127.91 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   36ms
NameserverIP addressesPTRASN / 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   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.190.127.91 60s ec2-18-190-127-91.us-east-2.compute.amazonaws.com AS16509 Amazon.com, Inc. 18.176.0.0/12 🇺🇸 United States Columbus
3.17.201.125 60s ec2-3-17-201-125.us-east-2.compute.amazonaws.com AS16509 Amazon.com, Inc. 3.16.0.0/13 🇺🇸 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   398ms
TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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 CNAMEsvs.3m.com (all on 3m.com)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

51ms
FieldValue
Serial2412182376
Primary NS (MNAME)a.ns.3m.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 08:41:57
FieldValue
RegistrarCSC Digital Brand Service, Inc
Registered2020-05-18
Expires2027-05-31 (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).

DomainRegistrar
3mcompany.dkCSC Digital Brand Service, Inc
3mespe.dkCSC Digital Brand Service, Inc
3mhealthcare.dkCSC Digital Brand Service, Inc
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
61ms
MX
49ms
AAAA
34ms
TXT
398ms
CAA
35ms
HTTPS
59ms
TLSA
89ms
SOA
51ms
MTA-STS
56ms
DNSSEC
86ms
SRV
50ms
Total
701ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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