holcom.dk
📜 Historical scan 2026-06-20 17:45:46  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   190ms
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   172ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.13 3600s webcluster1.webpod12-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records4 records   182ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   193ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10a:6c:5d34:65ae:e6ac 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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)
🔐 DNSSEC231ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA151ms
FieldValue
Serial2026061701
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
190ms
A
172ms
MX
182ms
AAAA
193ms
TXT
185ms
CAA
185ms
HTTPS
162ms
TLSA
596ms
SOA
151ms
MTA-STS
183ms
DNSSEC
231ms
SRV
183ms
Total
1375ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 14:56:28 757ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-22 14:26:55 1763ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-18 07:15:09 5239ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-20 08:17:18 1059ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-18 00:35:52 1003ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 18:49:17 535ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 09:00:35 1120ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 17:45:46 1375ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 13:15:18 275ms 0 NS 0 A 0 MX ❓ Unknown View
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