bygeertsen.dk
Last scanned: 2026-08-12 08:38:25  ·  4947ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   444ms
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   502ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records3 records   416ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx20.check4spam.dk 154.59.193.124
2001:978:2:6::f:124		 fe3-r3-in.du01.l.antispamcloud.com
fe3-r3-in.du01.l.antispamcloud.com		 AS16633 N-able Technologies, Inc.
AS174 Cogent Communications, LLC
10 3600s mx30.check4spam.dk 154.59.104.23
2001:978:2:2c::137:100		 fe2-r3-in.ams14.l.antispamcloud.com
fe2-r3-in.ams14.l.antispamcloud.com		 AS43054 N-able Acquisition Company B.V.
AS174 Cogent Communications, LLC
10 3600s mx40.check4spam.dk 154.59.104.23
2001:978:2:2c::137:100		 fe2-r3-in.ams14.l.antispamcloud.com
fe2-r3-in.ams14.l.antispamcloud.com		 AS43054 N-able Acquisition Company B.V.
AS174 Cogent Communications, LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-redirect.hosit.dk → 193.104.202.113
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   803ms
TXT Record
v=spf1 include:spf.hosit.dk -all
✉️ SPF
PolicyRecord (bygeertsen.dk)
-all (hard fail) v=spf1 include:spf.hosit.dk -all
📨 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)
🔐 DNSSEC696ms
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
444ms
A
502ms
MX
416ms
AAAA
504ms
TXT
803ms
CAA
501ms
HTTPS
488ms
TLSA
396ms
SOA
0ms
MTA-STS
536ms
DNSSEC
696ms
SRV
560ms
Total
4947ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 08:38:25 4947ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-15 13:10:21 3125ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-28 00:14:26 1084ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-23 23:50:28 683ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-20 01:41:34 1860ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-16 18:10:35 699ms 2 NS 1 A 3 MX 🔒 Secure View
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