cohero.dk DNS records

🖥️ Nameservers3 records 62ms

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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	3600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.cohero.dk	167.235.245.100 2a01:4f8:c010:a48e::1	mail.cohero.dk mail.cohero.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.cohero.dk → 167.235.245.100
🔶 Autoconfig	mail.cohero.dk → 167.235.245.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 425ms

TXT Record
v=spf1 mx a:mail.cohero.dk ~all

✉️ SPF

Policy	Record (cohero.dk)
~all (soft fail)	v=spf1 mx a:mail.cohero.dk ~all

📨 DMARC

Policy	Record (_dmarc.cohero.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none;

📬 MTA-STS371ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	2026082501
max_age	604800s
Policy MX	mail.cohero.dk

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:postmaster@cohero.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC123ms

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	2026083100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

56ms

MX

75ms

AAAA

49ms

TXT

425ms

CAA

59ms

HTTPS

68ms

TLSA

93ms

SOA

0ms

MTA-STS

371ms

DNSSEC

123ms

SRV

172ms

Total

1089ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 19:06:37	1089ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 17:52:32	2034ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 12:49:32	722ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 11:09:07	606ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 10:56:37	1138ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 20:18:46	1207ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 22:27:38	5460ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 22:09:19	5072ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 16:29:18	2544ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 04:34:14	8922ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 12:56:49	1787ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 20:07:06	456ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 02:01:18	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:47:24	426ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 21:41:24	595ms	3 NS 1 A 1 MX	🔓 Insecure	View