obel-byg.dk DNS records

🖥️ Nameservers3 records 8106ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	ns1.c-system.dk	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	37.27.223.112	monitor.itout.dk	AS24940 Hetzner Online GmbH

🌍 A Records1 records 8079ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.91	21600s	npm.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records1 records 8089ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	21600s	obelbyg-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 52.101.68.16 52.101.68.18 52.101.68.27 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.62.216

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 209ms

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

📝 TXT Records2 records 8415ms

TXT Record
MS=ms70184161
v=spf1 a:mailgw1.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (obel-byg.dk)
-all (hard fail)	v=spf1 a:mailgw1.c-system.dk a:web01.c-system.dk 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)

🔐 DNSSEC8555ms

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

🏷️ SOA8105ms

Field	Value
Serial	1583765406
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	hostmaster@c-system.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

8106ms

A

8079ms

MX

8089ms

AAAA

8104ms

TXT

8415ms

CAA

8157ms

HTTPS

8090ms

TLSA

1250ms

SOA

8105ms

MTA-STS

110ms

DNSSEC

8555ms

SRV

209ms

Total

27095ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-20 10:44:59	27095ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 17:27:06	2795ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 22:34:01	909ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:49:56	974ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 11:36:40	1233ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:14:11	3449ms	3 NS 1 A 1 MX	🔓 Insecure	View