net4us.dk
Last scanned: 2026-08-10 22:47:55  ·  719ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
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   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
9.205.16.211 600s odie.holmnet.dk AS8075 Microsoft Corporation 9.205.0.0/16 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s odie.holmnet.dk 9.205.16.211 odie.holmnet.dk AS8075 Microsoft Corporation
20 600s mail.holmnet.dk 20.13.164.36 garfield.holmnet.dk AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovernet4us.dk → 9.205.16.211
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   160ms
TXT Record
google-site-verification=JwFwgj0J0h_buqOJ9pYizY0_3FPUJW2-yQqZpvgv5c0
v=spf1 mx include:holmnet.dk ~all
✉️ SPF
PolicyRecord (net4us.dk)
~all (soft fail) v=spf1 mx include:holmnet.dk ~all
📨 DMARC
PolicyRecord (_dmarc.net4us.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:peter@net4us.dk;
📬 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)
🔐 DNSSEC85ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080901
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
44ms
A
52ms
MX
45ms
AAAA
42ms
TXT
160ms
CAA
52ms
HTTPS
52ms
TLSA
69ms
SOA
0ms
MTA-STS
64ms
DNSSEC
85ms
SRV
73ms
Total
719ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 22:47:55 719ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-07 08:19:07 1617ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-23 00:56:54 8645ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-20 22:36:54 791ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-19 07:35:53 16805ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 04:04:18 1049ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 09:07:13 972ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 18:35:19 1225ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 20:33:48 908ms 2 NS 1 A 2 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone