computo.dk

Records from scan: 2026-10-13 13:20:51 · 1070ms total · last checked 2026-10-18 21:22 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

computo.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.34.197.239 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by computo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

4 records 36ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.34.197.239	3600s	static.239.197.34.188.clients.your-server.de	AS24940	Hetzner Online GmbH	188.34.128.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	computo-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca09::22 2a01:111:f403:ca09::24 2a01:111:f403:ca3c::8 52.101.103.39 52.101.185.114 52.101.73.145 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr05cu00105.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152
🔶 Autoconfig	computo.dk → 188.34.197.239

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 122ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (computo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-13 13:20:51

www CNAME	computo.dk (all on computo.dk) → 188.34.197.239 (AS24940)
www vs bare domain	Same network computo.dk: 188.34.197.239 (AS24940) www.computo.dk: 188.34.197.239 (AS24940)
Wildcard	Yes: any name under the zone resolves
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
s1	s1.domainkey.u12552694.wl195.sendgrid.net	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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.computo.dk	computo.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026101200
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 2026-10-10 00:41:49

Field	Value
Registrar	Simply.com A/S
Registered	2008-06-17
Expires	2031-06-30 (1715d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

39ms

40ms

AAAA

32ms

TXT

122ms

CAA

23ms

HTTPS

38ms

TLSA

597ms

SOA

31ms

MTA-STS

51ms

DNSSEC

60ms

SRV

46ms

Total

1070ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:20:51 shown	1070ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-10 00:09:31	2212ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 20:51:31	1474ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-27 19:58:58	1217ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-01 19:07:56	1267ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 16:39:33	3235ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:51:21	65535ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:14:51	2448ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:01:23	1194ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:00:47	683ms	4 NS 1 A 1 MX	🔒 Secure