cohero.dk

📜 Historical scan 2026-10-21 02:27:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cohero.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 3 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.31.72.85 is hosted by Hetzner Online GmbH (AS24940) in United Kingdom. Mail is handled by mail.cohero.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   44ms
NameserverIP addressesPTRASN / 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 Records#

1 records   57ms
IPTTLPTRASNISP / OrgCIDRCountryCity
2.31.72.85 3600s static.85.72.31.2.clients.your-server.de AS24940 Hetzner Online GmbH 2.31.0.0/16 🇬🇧 United Kingdom Wickford

📧 MX Records#

1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscovermail.cohero.dk → 167.235.245.100
🔶 Autoconfigmail.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 Records#

2 records   298ms
TXT Record
P-z3Yhre5ZE6
v=spf1 mx a:mail.cohero.dk ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.cohero.dk)
p=quarantine v=DMARC1; p=quarantine; sp=quarantine;

📬 MTA-STS#

239ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID2026082501
max_age604800s
Policy MXmail.cohero.dk

📈 TLSRPT#

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

📜 CAA Records#

3 records   54ms
FlagsTagValue
0 iodef mailto:seb@cohero.dk
0 issue letsencrypt.org
0 issuewild letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 03:32:38
www2.31.72.85 2a01:4f8:c016:c50f::1 (AS24940) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

41ms
FieldValue
Serial2026102030
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-21 02:40:09
FieldValue
RegistrarSimply.com A/S
Registered2026-01-03
Expires2027-01-02 (68d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
57ms
MX
52ms
AAAA
50ms
TXT
298ms
CAA
54ms
HTTPS
59ms
TLSA
120ms
SOA
41ms
MTA-STS
239ms
DNSSEC
69ms
SRV
84ms
Total
862ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 03:32:38 793ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-21 02:27:54 shown 862ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-15 22:01:58 1052ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-10 18:57:32 845ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-05 16:05:21 2170ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-18 22:09:11 1846ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-11 20:45:54 4349ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-04 19:06:37 1089ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-30 17:52:32 2034ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-29 12:49:32 722ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-28 11:09:07 606ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-27 10:56:37 1138ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-26 20:18:46 1207ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-22 22:27:38 5460ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-20 22:09:19 5072ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-10 16:29:18 2544ms 3 NS 1 A 1 MX 🔓 Insecure
2026-07-17 04:34:14 8922ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-28 12:56:49 1787ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-24 20:07:06 456ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-24 02:01:18 1179ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 21:47:24 426ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-16 21:41:24 595ms 3 NS 1 A 1 MX 🔓 Insecure
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