3mdenmark.dk
Last scanned: 2026-08-26 20:49:35  ·  1254ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   50ms
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   57ms
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   212ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (3mdenmark.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.3mdenmark.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411586585
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
50ms
A
57ms
MX
61ms
AAAA
58ms
TXT
212ms
CAA
56ms
HTTPS
100ms
TLSA
100ms
SOA
0ms
MTA-STS
74ms
DNSSEC
105ms
SRV
78ms
Total
1254ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 20:49:35 1254ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-10 06:00:07 2968ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-27 23:27:47 16440ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-02 11:39:38 9529ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-27 02:16:17 573ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 12:50:58 1081ms 2 NS 2 A 0 MX 🔓 Insecure View
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