holb.dk
Last scanned: 2026-09-03 21:10:38  ·  1166ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   63ms
🌍 A Records
🌍
No A records found
📧 MX Records2 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s holb-dk.mail.protection.outlook.com 2a01:111:f403:ca04::c
2a01:111:f403:ca09::20
2a01:111:f403:ca38::8
2a01:111:f403:ca48::8
52.101.68.15
52.101.68.25
52.101.68.27
52.101.68.5
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-as8pr05cu00400.inbound.protection.outlook.com
mail-wa4pr04cu00100.inbound.protection.outlook.com
mail-miypr02cu00100.inbound.protection.outlook.com
mail-db6pr03cu00107.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-db7pr03cu00503.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
20 3600s holb-dk.mail.protection.outlook.com 2a01:111:f403:ca04::c
2a01:111:f403:ca09::20
2a01:111:f403:ca38::8
2a01:111:f403:ca48::8
52.101.68.15
52.101.68.25
52.101.68.27
52.101.68.5
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-as8pr05cu00400.inbound.protection.outlook.com
mail-wa4pr04cu00100.inbound.protection.outlook.com
mail-miypr02cu00100.inbound.protection.outlook.com
mail-db6pr03cu00107.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-db7pr03cu00503.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverhybrid.holb.dk → 131.165.161.115
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records6 records   109ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 100 443 hybrid.holb.dk
_sip._tcp 10 100 5060 ygg1.vp.vc
_sip._tcp 50 100 5060 ygg2.vp.vc
_sip._udp 10 100 5060 ygg1.vp.vc
_sip._udp 50 100 5060 ygg2.vp.vc
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records7 records   273ms
TXT Record
_nkzv74s076ahk1kw1qvk5x6nt0wq8io
1password-site-verification=43EG3XZ5CNDZNJWRDIZTEEWQVQ
9h2goD2dzpt89TLnSdXyhHRPV5J5S52t2nfmw2BbwtoeTGphk7+XDvm63Mz05jgySANAxsSfCiEfBMHMz9f3fg==
apple-domain-verification=tTykyk2xpdfqeh3i
MS=ms21188725
teamviewer-sso-verification=6146c4206c5e48b2a98bc52c0c700bf0
v=spf1 include:_spf16470.spfprotect.com -all
✉️ SPF
PolicyRecord (holb.dk)
-all (hard fail) v=spf1 include:_spf16470.spfprotect.com -all
📨 DMARC
PolicyRecord (_dmarc.holb.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:64478b616fb92@dmarc.centerasecurity.com;
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.holb.dk _acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC120ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial308
Primary NS (MNAME)ns-auth03.kmd.dk
Responsible (RNAME)dnsadmin@kmd.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)43200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
63ms
A
44ms
MX
44ms
AAAA
40ms
TXT
273ms
CAA
70ms
HTTPS
49ms
TLSA
362ms
SOA
0ms
MTA-STS
81ms
DNSSEC
120ms
SRV
109ms
Total
1166ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 21:10:38 1166ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-08-27 18:47:42 1057ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-21 07:40:10 1383ms 2 NS 0 A 2 MX 🔓 Insecure View
2026-06-17 13:19:52 276ms 0 NS 0 A 0 MX ❓ Unknown View
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