murermesterschow.dk DNS records

🖥️ Nameservers3 records 89ms

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 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.91	38400s	npm.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	38400s	murermesterschow-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca09::24 52.101.103.143 52.101.68.29 52.101.68.3 52.101.73.28	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00204.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 115ms

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

📝 TXT Records1 records 350ms

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

✉️ SPF

Policy	Record (murermesterschow.dk)
-all (hard fail)	v=spf1 a mx a:mailgw1.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)

🔐 DNSSEC134ms

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	2017062108
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	admin@c-system.dk
Refresh	10800s
Retry	3600s
Expire	1309600s
Minimum (neg-cache TTL)	38400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

89ms

A

85ms

MX

53ms

AAAA

96ms

TXT

350ms

CAA

65ms

HTTPS

93ms

TLSA

389ms

SOA

0ms

MTA-STS

117ms

DNSSEC

134ms

SRV

115ms

Total

1573ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:24:54	1573ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 06:30:12	1465ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 14:36:28	3446ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 05:30:38	979ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:35:58	1389ms	3 NS 1 A 1 MX	🔓 Insecure	View