frv-havn.dk

Records from scan: 2026-10-01 00:17:48 · 986ms total · last checked 2026-10-16 22:27 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frv-havn.dk is a .dk domain served by 3 nameservers (ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.128 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by frvhavn-dk0i.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 54ms

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	130.162.220.97	—	AS31898 Oracle Corporation

🌍 A Records#

1 records 43ms

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 Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	38400s	frvhavn-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca21::c 52.101.68.12 52.101.68.39 52.101.73.123 52.101.73.155	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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 Records#

1 records 136ms

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

📝 TXT Records#

1 records 370ms

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

🧩 Web & zone#

checked 2026-10-11 14:21:12

www CNAME	frv-havn.dk (all on frv-havn.dk) → 93.191.156.128 (AS48854)
www vs bare domain	Same network frv-havn.dk: 93.191.156.128 (AS48854) www.frv-havn.dk: 93.191.156.128 (AS48854)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-frvhavn-dk0i._domainkey.frvhavn.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

81ms

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

🏷️ SOA#

76ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

54ms

43ms

46ms

AAAA

47ms

TXT

370ms

CAA

47ms

HTTPS

50ms

TLSA

234ms

SOA

76ms

MTA-STS

75ms

DNSSEC

81ms

SRV

136ms

Total

986ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:17:48 shown	986ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 14:17:35	9809ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-08 14:34:40	17999ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 09:46:31	2639ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:24:16	1164ms	3 NS 1 A 1 MX	🔓 Insecure