fourcom.dk DNS records

🖥️ Nameservers3 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.149.228.6	600s	webcluster04.tigermedia.eu	AS48854	team.blue Denmark A/S	185.149.228.0/24	🇩🇰 Denmark	—

📧 MX Records2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	fourcom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.29 52.101.73.1 52.101.73.22	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00106.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
10	43200s	pmg1.mariendalit.dk	193.242.107.121	pmg1.mariendalit.dk	AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	www.fourcom.dk → 185.149.228.6

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 97ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 231ms

TXT Record
MS=ms95723227
v=spf1 ip4:77.68.194.8 include:spf.protection.outlook.com include:spf.tigermedia.eu include:spf.antispamcloud.com include:spf.5115.submission.antispamcloud.com ip4:78.47.24.15 include:amazonses.com include:spf.ubivox.com ~all

✉️ SPF

Policy	Record (fourcom.dk)
~all (soft fail)	v=spf1 ip4:77.68.194.8 include:spf.protection.outlook.com include:spf.tigermedia.eu include:spf.antispamcloud.com include:spf.5115.submission.antispamcloud.com ip4:78.47.24.15 include:amazonses.com include:spf.ubivox.com ~all

📨 DMARC

Policy	Record (_dmarc.fourcom.dk)
p=none (monitor only)	v=DMARC1; p=none; rua= mailto:(email address);

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.fourcom.dk	www.fourcom.dk

🔗 TLSA / DANE

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

🔐 DNSSEC106ms

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	2026082801
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

43ms

MX

43ms

AAAA

44ms

TXT

231ms

CAA

44ms

HTTPS

35ms

TLSA

889ms

SOA

0ms

MTA-STS

87ms

DNSSEC

106ms

SRV

97ms

Total

1869ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:15:18	1072ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 01:08:40	1869ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-15 00:50:06	9667ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 15:41:03	10635ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 02:10:34	1101ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 09:59:40	2541ms	3 NS 1 A 3 MX	🔓 Insecure	View