hfsk.dk DNS records

🖥️ Nameservers4 records 41ms

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 Records2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.0	3600s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.0	3600s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	hfsk-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::a 52.101.68.0 52.101.68.8 52.101.73.155 52.101.73.19	mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 52.98.154.136

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

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

📝 TXT Records2 records 200ms

TXT Record
mscid=5OH3eLDg0+uK+uhR+6J9ejKzHX1Bqbs4+X8Btv1NdU3sEL17SFMIlgOVZFvxY+zer2SDjXLevtoO0apN0byjBw==
v=spf1 include:web.shared.mysmtp.com ip4:89.221.167.1/24 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (hfsk.dk)
-all (hard fail)	v=spf1 include:web.shared.mysmtp.com ip4:89.221.167.1/24 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.hfsk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rapport@hfsk.dk; ruf=mailto:rapport@hfsk.dk; fo=1;

📬 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)

🔐 DNSSEC91ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ 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

41ms

A

50ms

MX

56ms

AAAA

58ms

TXT

200ms

CAA

55ms

HTTPS

41ms

TLSA

294ms

SOA

0ms

MTA-STS

74ms

DNSSEC

91ms

SRV

71ms

Total

947ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:29:45	947ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 11:29:02	2662ms	4 NS 2 A 1 MX	🔓 Insecure	View