cohero.dk

Records from scan: 2026-10-22 03:32:38  ·  793ms total  ·  last checked 2026-10-23 09:04 (unchanged)
⬇ 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 is reachable over IPv6. 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   52ms
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   60ms
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   59ms
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)#

1 records   60ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:c016:c50f::1 3600s — AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   305ms
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#

241ms
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   61ms
FlagsTagValue
0 iodef mailto:seb@cohero.dk
0 issue letsencrypt.org
0 issuewild letsencrypt.org

🧩 Web & zone#

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#

94ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

58ms
FieldValue
Serial2026102107
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
52ms
A
60ms
MX
59ms
AAAA
60ms
TXT
305ms
CAA
61ms
HTTPS
55ms
TLSA
145ms
SOA
58ms
MTA-STS
241ms
DNSSEC
94ms
SRV
96ms
Total
793ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 03:32:38 shown 793ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-21 02:27:54 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone