mailkit.dk

📜 Historical scan 2026-09-06 19:45:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mailkit.dk is a .dk domain served by 2 nameservers (ns1.mailkit.eu, sns.mailkit.eu). It was registered on 20 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.11.236.84 is hosted by CASABLANCA INT a.s. (AS15685) in Czechia. Mail is handled by mail.mailkit.eu. The zone is not DNSSEC-signed, 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 101ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.mailkit.eu	217.11.236.82	ns1.mailkit.eu	AS15685 CASABLANCA INT a.s.
sns.mailkit.eu	185.136.200.18	sns.mailkit.eu	AS203376 Mailkit s.r.o.

🌍 A Records#

1 records 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.11.236.84	86400s	hosting1.mailkit.eu	AS15685	CASABLANCA INT a.s.	217.11.236.0/24	🇨🇿 Czechia	—

📧 MX Records#

1 records 197ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.mailkit.eu	185.136.200.22	mx-core.mailkit.net	AS203376 Mailkit s.r.o.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 505ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (mailkit.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.mailkit.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-rua@mailkit.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 2026-10-15 08:13:57

www CNAME	www.mailkit.eu (all on mailkit.eu) → 185.136.200.45 (AS203376)
www vs bare domain	Different networks mailkit.dk: 217.11.236.84 (AS15685) www.mailkit.dk: 185.136.200.45 (AS203376) (all like this)
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) 2 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

206ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026090301
Primary NS (MNAME)	ns1.mailkit.eu
Responsible (RNAME)	hpostmaster@mailkit.dk
Refresh	28800s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 18:49:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-12-20
Expires	2026-12-31 (75d)

🔗 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#

101ms

116ms

197ms

AAAA

102ms

TXT

505ms

CAA

151ms

HTTPS

223ms

TLSA

548ms

SOA

0ms

MTA-STS

147ms

DNSSEC

206ms

SRV

226ms

Total

3428ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 08:13:57	3587ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 12:10:56	1628ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 10:02:48	1829ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 05:44:36	2846ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 03:17:07	1861ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 20:26:48	2096ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-15 02:54:04	6099ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-06 19:45:56 shown	3428ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 02:03:25	2246ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 08:33:23	9691ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 02:49:57	4312ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-07 11:35:07	4764ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-01 20:11:09	9978ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 05:25:37	17802ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-17 08:11:40	9589ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-09 12:05:30	17534ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 12:47:51	1536ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 02:34:48	3599ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 22:05:33	2766ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 22:32:23	1000ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 07:13:26	1930ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 13:06:29	1538ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:10:59	1545ms	2 NS 1 A 1 MX	🔓 Insecure