mackaptajn.dk

📜 Historical scan 2026-09-02 12:23:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mackaptajn.dk is a .dk domain served by 2 nameservers (lana.ns.cloudflare.com, rick.ns.cloudflare.com). It was registered on 25 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.59.129.68 is hosted by Wojciech Czapkowicz (AS214481) in The Netherlands. Mail is handled by mail.appscaptain.com, mxbackup1.junkemailfilter.com and 1 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 28ms

Nameserver	IP addresses	PTR	ASN / ISP
lana.ns.cloudflare.com	108.162.192.182 172.64.32.182 173.245.58.182 2606:4700:50::adf5:3ab6 2803:f800:50::6ca2:c0b6 2a06:98c1:50::ac40:20b6	lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rick.ns.cloudflare.com	108.162.193.139 172.64.33.139 173.245.59.139 2606:4700:58::adf5:3b8b 2803:f800:50::6ca2:c18b 2a06:98c1:50::ac40:218b	rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 10ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
31.59.129.68	300s	—	AS214481	Wojciech Czapkowicz	31.59.129.0/24	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

3 records 9ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	mail.appscaptain.com	31.59.129.38	—	AS214481 Wojciech Czapkowicz
10	300s	mxbackup1.junkemailfilter.com	184.105.182.148	148-he.filtered.junkemailfilter.com	AS6939 Hurricane Electric LLC
15	300s	mxbackup2.junkemailfilter.com	184.105.182.210 184.105.182.218 184.105.182.219 184.105.182.220 184.105.182.228 184.105.182.229	tarbaby.ctyme.com — — — — —	AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 85ms

TXT Record
nms-domain-verification=658299361556
v=spf1 mx a:mail.appscaptain.com include:relay.mymailcheap.com -all

✉️ SPF#

Policy	Record (mackaptajn.dk)
-all (hard fail)	v=spf1 mx a:mail.appscaptain.com include:relay.mymailcheap.com -all

📨 DMARC#

Policy	Record (_dmarc.mackaptajn.dk)
p=quarantine	v=DMARC1;p=quarantine;pct=50

📬 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 2026-10-07 16:21:06

www	31.59.129.68 (AS214481) (address records, no CNAME)
www vs bare domain	Same network mackaptajn.dk: 31.59.129.68 (AS214481) www.mackaptajn.dk: 31.59.129.68 (AS214481)
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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: 3/10 · policy: -all

error include:relay.mymailcheap.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mackaptajn.dk	Mj_scZ-Tc-66Uf4U86MFsaMqzLoukUeQf86jcjvTPto
TXT	_acme-challenge.mackaptajn.dk	m-DwuTjujOC4VEzW6RWLAXFD865ln1eKcyq5cwPU-Yo
TXT	_acme-challenge.mackaptajn.dk	3p-uh0HrCp3rc057RqGkWlRCnpgxkdWbUKq5n6mFDVM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK…
ZSK	ECDSA P-256/SHA-256	oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN…

🏷️ SOA#

9ms

Field	Value
Serial	2413268165
Primary NS (MNAME)	lana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 02:45:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-11-25
Expires	2026-11-30 (44d)

🔗 Same registrant#

5 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).

Domain	Registrar
appscaptain.dk	Punktum dk A/S (direct)
mkap.dk	Punktum dk A/S (direct)
nemreparation.dk	Punktum dk A/S (direct)
postskibet.dk	Punktum dk A/S (direct)
webkaptajnen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

10ms

9ms

AAAA

25ms

TXT

85ms

CAA

13ms

HTTPS

20ms

TLSA

1072ms

SOA

9ms

MTA-STS

11ms

DNSSEC

114ms

SRV

0ms

Total

3906ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 16:21:06	1892ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-03 15:13:36	1962ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-26 14:26:26	1152ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-25 14:13:35	1365ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-23 13:42:26	1452ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-22 09:17:53	2483ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-15 08:24:22	2580ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-10 03:42:38	1764ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-08 18:12:19	1915ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-02 12:23:12 shown	3906ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-27 12:46:50	1092ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-24 19:34:15	3719ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-21 06:20:43	9830ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-15 19:25:57	1952ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-10 07:03:41	2134ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-23 15:32:58	9981ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-29 01:03:19	1618ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-26 23:21:23	895ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-20 19:13:45	620ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-17 15:33:57	1267ms	2 NS 1 A 3 MX	🔒 Secure