kthvirk.dk DNS records

🖥️ Nameservers4 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records

🌍

No A records found

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kthvirk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::5 2a01:111:f403:ca09::a 2a01:111:f403:ca09::c 52.101.68.0 52.101.73.12 52.101.73.153 52.101.73.8	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.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

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 78ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 169ms

TXT Record
MS=ms76437960
mscid=KXfQ9G/Dlff94ScfiUJODP1w7C6DNpkwHvFrlo9xV8YU1XdZI8P8pb1Man1dKfjy0TnkzFnSw2kq6klvgAFudA==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (kthvirk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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)

🔐 DNSSEC2104ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

53ms

MX

36ms

AAAA

65ms

TXT

169ms

CAA

51ms

HTTPS

53ms

TLSA

599ms

SOA

0ms

MTA-STS

67ms

DNSSEC

2104ms

SRV

78ms

Total

3350ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:04:54	3350ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-30 08:18:27	867ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-28 23:23:58	940ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 14:44:45	1355ms	4 NS 0 A 1 MX	❓ Unknown	View
2026-06-20 18:23:25	1294ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-18 06:39:51	1090ms	4 NS 0 A 1 MX	🔓 Insecure	View