postit.dk
Last scanned: 2026-08-25 09:14:31  ·  1353ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
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 Records2 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.189.148.199 60s ec2-18-189-148-199.us-east-2.compute.amazonaws.com AS16509 Amazon.com, Inc. 18.176.0.0/12 🇺🇸 United States Columbus
3.129.185.18 60s ec2-3-129-185-18.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 Records1 records   377ms
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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC90ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412182376
Primary NS (MNAME)a.ns.3m.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
60ms
MX
50ms
AAAA
60ms
TXT
377ms
CAA
51ms
HTTPS
75ms
TLSA
114ms
SOA
0ms
MTA-STS
70ms
DNSSEC
90ms
SRV
77ms
Total
1353ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 09:14:31 1353ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-15 11:46:24 2284ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-11 22:44:35 8805ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-27 10:15:20 1697ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 03:15:43 1007ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 22:42:02 2658ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone