herskov.dk
📜 Historical scan 2026-06-17 11:20:28  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   148ms
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   149ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.221.196.223 — — AS51468 One.com A/S 91.221.196.0/23 🇩🇰 Denmark Copenhagen
📧 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   331ms
TXT Record
v=spf1 a:smtp.herskov.dk -all
✉️ SPF
PolicyRecord (herskov.dk)
-all (hard fail) v=spf1 a:smtp.herskov.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)
🔐 DNSSEC324ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA147ms
FieldValue
Serial2026061401
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
148ms
A
149ms
MX
149ms
AAAA
148ms
TXT
331ms
CAA
148ms
HTTPS
146ms
TLSA
290ms
SOA
147ms
MTA-STS
31ms
DNSSEC
324ms
SRV
0ms
Total
997ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 12:55:08 538ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 03:52:44 564ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-17 02:53:55 734ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 05:51:42 2075ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:20:28 997ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 11:19:32 442ms 2 NS 1 A 0 MX 🔒 Secure View
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