fri-kst.dk DNS records

🖥️ Nameservers4 records 57ms

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 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	frikst-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.5 52.101.73.12 52.101.73.126 52.101.73.30	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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 84ms

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

📝 TXT Records2 records 213ms

TXT Record
mscid=w8jgPnW7JjcLAML5FYhWJ6rltswDIAl2uj6YitrfJCaoz1brEYtrBNETFoSm4LBWM30VSAYdpRNsH+CK/V+kVQ==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.fri-kst.dk)
p=reject	v=DMARC1; p=reject; pct=1; rua=mailto:dmarc_agg@vali.email, mailto:dmarc@christensenit.dk; ruf=mailto:dmarc_forensic@christensenit.dk; adkim=r; aspf=r;

📬 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)

🔐 DNSSEC101ms

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

57ms

A

55ms

MX

43ms

AAAA

52ms

TXT

213ms

CAA

52ms

HTTPS

43ms

TLSA

365ms

SOA

0ms

MTA-STS

62ms

DNSSEC

101ms

SRV

84ms

Total

1585ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:11:36	1585ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 08:41:38	2879ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-11 15:10:44	1396ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-10 10:07:53	3095ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-08 05:31:50	754ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-07 03:50:58	754ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:21:48	956ms	4 NS 0 A 1 MX	🔓 Insecure	View