jakobholst.dk DNS records

🖥️ Nameservers2 records 84ms

Nameserver	IP addresses	PTR	ASN / ISP
arch.ns.cloudflare.com	108.162.193.68 172.64.33.68 173.245.59.68 2606:4700:58::adf5:3b44 2803:f800:50::6ca2:c144 2a06:98c1:50::ac40:2144	arch.ns.cloudflare.com arch.ns.cloudflare.com arch.ns.cloudflare.com arch.ns.cloudflare.com arch.ns.cloudflare.com arch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.jakobholst.dk	178.104.174.160 2a01:4f8:c2c:b5fe::1	mail.jakobholst.dk mail.jakobholst.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.jakobholst.dk → 178.104.174.160
🔶 Autoconfig	mail.jakobholst.dk → 178.104.174.160

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 352ms

TXT Record
v=spf1 mx a:178.105.143.44 ~all

✉️ SPF

Policy	Record (jakobholst.dk)
~all (soft fail)	v=spf1 mx a:178.105.143.44 ~all

📨 DMARC

Policy	Record (_dmarc.jakobholst.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@jakobholst.dk

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC258ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413395646
Primary NS (MNAME)	arch.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

84ms

A

74ms

MX

109ms

AAAA

83ms

TXT

352ms

CAA

113ms

HTTPS

119ms

TLSA

70ms

SOA

0ms

MTA-STS

173ms

DNSSEC

258ms

SRV

156ms

Total

1107ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 15:11:02	1107ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-28 01:02:10	1085ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-24 20:58:17	2983ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-23 20:43:40	3151ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-19 13:10:46	9517ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-14 19:09:07	1189ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-13 05:26:23	4895ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-03 07:43:49	964ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-20 14:33:47	1437ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-14 21:46:25	9950ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-08 09:39:39	1180ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-25 12:00:12	990ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 09:42:01	1390ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 08:39:14	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 03:30:46	3092ms	2 NS 0 A 1 MX	🔓 Insecure	View