3-m.dk
Last scanned: 2026-08-29 12:53:19  ·  803ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
18.190.101.89 60s ec2-18-190-101-89.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   131ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (3-m.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.3-m.dk)
p=reject v=DMARC1; p=reject; 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.3-m.dk 1MwWr8gda5kRyms9P44GMWGsfB2fmpkV9EDq9-IS6DA
TXT _acme-challenge.3-m.dk TE7k6scxehl0ioQL5O66_ssMl_e1U7B5J66aBz4zopA
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413400835
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
28ms
A
41ms
MX
41ms
AAAA
41ms
TXT
131ms
CAA
23ms
HTTPS
40ms
TLSA
180ms
SOA
0ms
MTA-STS
41ms
DNSSEC
110ms
SRV
41ms
Total
803ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 12:53:19 803ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-26 05:02:56 706ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-27 17:04:31 1479ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 06:55:08 2186ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-19 22:23:04 451ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 12:56:45 1103ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone