cohost.dk

📜 Historical scan 2026-09-15 07:10:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cohost.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.97.72.208 is hosted by Hostinger International Limited (AS47583) in Lithuania. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, 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 71ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.97.72.208	3600s	srv1979580.hstgr.cloud	AS47583	Hostinger International Limited	31.97.0.0/16	🇱🇹 Lithuania	Vilnius

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.251.1.26 142.251.1.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b 64.233.161.26 64.233.161.27	la-in-f26.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net lh-in-x1a.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.190
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 94ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 208ms

TXT Record
google-site-verification=Ap3xpDMdwRJD2odtsSChj8pGBjbWliiFhFF-4iS5jMo

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.cohost.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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#

latest probe, not this scan · checked 2026-10-19 13:03:24

www	31.97.72.208 (AS47583) (address records, no CNAME)
www vs bare domain	Same network cohost.dk: 31.97.72.208 (AS47583) www.cohost.dk: 31.97.72.208 (AS47583)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

277ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026091400
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-19 13:22:21

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-09
Expires	2027-05-08 (194d)

🔗 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#

71ms

76ms

54ms

AAAA

73ms

TXT

208ms

CAA

66ms

HTTPS

62ms

TLSA

173ms

SOA

0ms

MTA-STS

114ms

DNSSEC

277ms

SRV

94ms

Total

1688ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 13:03:24	758ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 18:50:00	760ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 17:44:01	612ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-22 08:10:27	1600ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-15 07:10:09 shown	1688ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-09 07:09:09	1918ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-04 11:58:54	778ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 14:37:33	693ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-16 21:50:27	358ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-16 21:41:11	366ms	3 NS 0 A 0 MX	🔒 Secure