guthy-renker.dk
Last scanned: 2026-06-29 18:00:03  ·  1511ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers7 records   50ms
NameserverIP addressesPTRASN / ISP
ns1.markmonitor.com 149.112.160.1
2620:10a:80a8::1		 —
—		 AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns2.markmonitor.com 176.97.158.1
2001:67c:10b8::1		 ns2.markmonitor.com
ns2.markmonitor.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ns3.markmonitor.com 149.112.161.1
2620:10a:80a9::1		 —
—		 AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
ns4.markmonitor.com 192.174.68.1
2001:67c:1bc::1		 ns1.markmonitor.com
ns1.markmonitor.com		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns5.markmonitor.com 149.112.160.2
2620:10a:80a8::2		 —
—		 AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns6.markmonitor.com 176.97.158.3
2001:67c:10b8::3		 ns6.markmonitor.com
ns6.markmonitor.com		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ns7.markmonitor.com 149.112.161.2
2620:10a:80a9::2		 —
—		 AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
🌍 A Records1 records   82ms
IPTTLPTRASNISP / OrgCIDRCountryCity
66.155.81.30 600s — AS13768 Aptum Technologies 66.155.80.0/21 🇬🇧 United Kingdom Portsmouth
📧 MX Records2 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s cluster1.us.messagelabs.com 67.219.246.208
67.219.246.210
67.219.247.202
67.219.247.204
67.219.250.215
67.219.250.218		 mail907.messagelabs.com
mail909.messagelabs.com
mail930.messagelabs.com
mail931.messagelabs.com
mail948.messagelabs.com
mail951.messagelabs.com		 AS396982 Google LLC
AS396982 Google LLC
AS396982 Google LLC
AS396982 Google LLC
AS396982 Google LLC
AS396982 Google LLC
20 300s cluster1a.us.messagelabs.com 34.75.172.113 113.172.75.34.bc.googleusercontent.com AS396982 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA51ms
FieldValue
Serial2017013002
Primary NS (MNAME)ns1.markmonitor.com
Responsible (RNAME)dburns@guthy-renker.com
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
82ms
MX
40ms
AAAA
61ms
TXT
327ms
CAA
64ms
HTTPS
46ms
TLSA
200ms
SOA
51ms
MTA-STS
72ms
DNSSEC
107ms
SRV
100ms
Total
1511ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-29 18:00:03 1511ms 7 NS 1 A 2 MX 🔓 Insecure View
2026-06-28 08:02:34 1298ms 7 NS 1 A 2 MX 🔓 Insecure View
2026-06-26 17:22:20 1638ms 7 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 10:14:55 3191ms 7 NS 1 A 2 MX 🔓 Insecure View
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