spamguard.dk
Last scanned: 2026-08-28 08:38:41  ·  1213ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   50ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.100.102.41 2400s 91.100.102.41.generic-hostname.arrownet.dk AS15516 DKTV A/S 91.100.0.0/15 🇩🇰 Denmark Brøndby
📧 MX Records1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mx1.spamfilter.cc 2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5
95.179.139.219
95.179.218.56		 —
95.179.139.219.vultrusercontent.com
95.179.218.56.vultrusercontent.com		 AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
AS20473 The Constant Company, LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover91.100.102.41
🔶 Autoconfig91.100.102.41
🔷 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)
🔐 DNSSEC127ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
41ms
MX
67ms
AAAA
65ms
TXT
262ms
CAA
72ms
HTTPS
80ms
TLSA
80ms
SOA
0ms
MTA-STS
97ms
DNSSEC
127ms
SRV
78ms
Total
1213ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 08:38:41 1213ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 20:06:02 1520ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 00:51:35 17059ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 16:18:02 5114ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 03:58:56 1027ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 18:33:25 981ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 00:35:21 9731ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:34:41 1711ms 2 NS 1 A 1 MX 🔒 Secure View
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