sydfyenskeboliger.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.cb.dk	193.104.202.25	ext202-25.cph1.sit.dk	AS50346 It Forum Gruppen A/s
ns2.cb.dk	193.104.202.26	ext202-26.cph1.sit.dk	AS50346 It Forum Gruppen A/s

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.243.135.25	3600s	lb1.webafdeling.dk	AS48854	team.blue Denmark A/S	77.243.128.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sydfyenskeboliger-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::24 2a01:111:f403:ca09::9 52.101.68.15 52.101.68.16 52.101.73.28 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

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

📝 TXT Records2 records 173ms

TXT Record
MS=ms80569066
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sydfyenskeboliger.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)

🔐 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	2025121501
Primary NS (MNAME)	ns1.cb.dk
Responsible (RNAME)	hostmaster@cb.dk
Refresh	14400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

33ms

MX

31ms

AAAA

42ms

TXT

173ms

CAA

54ms

HTTPS

41ms

TLSA

738ms

SOA

0ms

MTA-STS

67ms

DNSSEC

91ms

SRV

64ms

Total

1320ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:22:31	1320ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 16:32:33	742ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 10:49:15	25307ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 00:51:49	9084ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 14:41:14	1172ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 04:00:25	710ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:33:23	859ms	2 NS 1 A 1 MX	🔓 Insecure	View