birkmarcus.dk
Last scanned: 2026-08-26 12:35:47  ·  534ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
173.203.204.123 43200s cargocollective.com AS33070 Rackspace Hosting 173.203.192.0/18 🇺🇸 United States —
📧 MX Records1 records   26ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover173.203.204.123
🔶 Autoconfig173.203.204.123
🔷 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
32ms
A
33ms
MX
26ms
AAAA
23ms
TXT
138ms
CAA
26ms
HTTPS
24ms
TLSA
130ms
SOA
0ms
MTA-STS
43ms
DNSSEC
103ms
SRV
51ms
Total
534ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:35:47 534ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 02:26:47 585ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 09:49:42 6415ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 01:57:15 574ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 14:51:54 519ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 14:43:11 362ms 2 NS 1 A 0 MX ⚠️ Bogus View
2026-06-16 14:40:34 413ms 2 NS 1 A 0 MX 🔒 Secure View
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