frv-havn.dk DNS records

🖥️ Nameservers3 records 65ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.128	38400s	linux245.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	38400s	frvhavn-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.103.143 52.101.68.36 52.101.73.155 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 120ms

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

📝 TXT Records1 records 308ms

TXT Record
v=spf1 a mx a:mailgw1.c-system.dk a:frv-havn.dk.linux245.unoeuro-server.com ip4:87.63.149.182 ip4:93.191.156.128 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (frv-havn.dk)
-all (hard fail)	v=spf1 a mx a:mailgw1.c-system.dk a:frv-havn.dk.linux245.unoeuro-server.com ip4:87.63.149.182 ip4:93.191.156.128 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.frv-havn.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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)

🔐 DNSSEC9082ms

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	2018011624
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

65ms

A

57ms

MX

67ms

AAAA

52ms

TXT

308ms

CAA

61ms

HTTPS

63ms

TLSA

179ms

SOA

0ms

MTA-STS

94ms

DNSSEC

9082ms

SRV

120ms

Total

9809ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:17:35	9809ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 14:34:40	17999ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 09:46:31	2639ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 09:24:16	1164ms	3 NS 1 A 1 MX	🔓 Insecure	View