jonassahl.dk

📜 Historical scan 2026-09-17 22:23:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jonassahl.dk is a .dk domain served by 2 nameservers (arch.ns.cloudflare.com, harmony.ns.cloudflare.com). It was registered on 11 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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#

2 records 48ms

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.
harmony.ns.cloudflare.com	108.162.194.146 162.159.38.146 172.64.34.146 2606:4700:50::a29f:2692 2803:f800:50::6ca2:c292 2a06:98c1:50::ac40:2292	harmony.ns.cloudflare.com harmony.ns.cloudflare.com harmony.ns.cloudflare.com harmony.ns.cloudflare.com harmony.ns.cloudflare.com harmony.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 Records#

4 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 187ms

TXT Record
v=spf1 include:_custspf.one.com -all

✉️ SPF#

Policy	Record (jonassahl.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.jonassahl.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@jonassahl.dk; ruf=mailto:dmarc1@jonassahl.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 10:58:23

www	Exists, no address
www vs bare domain	Neither resolves jonassahl.dk: no address www.jonassahl.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.jonassahl.dk	8Gy_EuVw9HiY31zNBkRdQbgh0C9Mmtj0nVnbCaqpvBw
TXT	_acme-challenge.jonassahl.dk	J7ccQPwhjGP9Ga83K_8GuJ0tmlWc-_TppiIkzeBAMOw

🔗 TLSA / DANE#

4 records 61ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

119ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2415153788
Primary NS (MNAME)	arch.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 11:25:49

Field	Value
Registrar	ONE.COM A/S
Registered	2019-03-11
Expires	2027-03-31 (163d)

🔗 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#

48ms

39ms

56ms

AAAA

32ms

TXT

187ms

CAA

42ms

HTTPS

30ms

TLSA

61ms

SOA

0ms

MTA-STS

62ms

DNSSEC

119ms

SRV

69ms

Total

1467ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 10:58:23	1404ms	2 NS 0 A 4 MX	🔒 Secure
2026-10-08 05:04:49	997ms	2 NS 0 A 4 MX	🔒 Secure
2026-09-30 03:51:29	626ms	2 NS 0 A 4 MX	🔒 Secure
2026-09-20 22:33:41	732ms	2 NS 0 A 4 MX	🔒 Secure
2026-09-17 22:23:29 shown	1467ms	2 NS 0 A 4 MX	🔒 Secure
2026-09-13 00:17:11	5299ms	2 NS 0 A 4 MX	🔒 Secure
2026-09-08 07:36:29	1614ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-30 10:08:50	1714ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-29 03:24:30	542ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-25 19:38:11	711ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-20 12:45:33	1996ms	2 NS 0 A 4 MX	🔒 Secure
2026-08-01 17:17:07	10049ms	2 NS 0 A 4 MX	🔒 Secure
2026-07-08 14:04:40	17287ms	2 NS 0 A 4 MX	🔒 Secure
2026-07-02 11:20:27	1921ms	2 NS 0 A 4 MX	🔒 Secure
2026-06-22 19:32:09	929ms	2 NS 0 A 4 MX	🔒 Secure
2026-06-18 01:03:59	2782ms	2 NS 0 A 4 MX	🔒 Secure