tkachenko.dk

📜 Historical scan 2026-09-18 11:49:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tkachenko.dk is a .dk domain served by 2 nameservers (jerry.ns.cloudflare.com, ligia.ns.cloudflare.com). It was registered on 28 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailserver.purelymail.com. 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 142ms

Nameserver	IP addresses	PTR	ASN / ISP
jerry.ns.cloudflare.com	108.162.193.182 172.64.33.182 173.245.59.182 2606:4700:58::adf5:3bb6 2803:f800:50::6ca2:c1b6 2a06:98c1:50::ac40:21b6	jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ligia.ns.cloudflare.com	108.162.194.4 162.159.38.4 172.64.34.4 2606:4700:50::a29f:2604 2803:f800:50::6ca2:c204 2a06:98c1:50::ac40:2204	ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.ns.cloudflare.com ligia.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#

1 records 158ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	300s	mailserver.purelymail.com	18.204.123.63	ec2-18-204-123-63.compute-1.amazonaws.com	AS14618 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 1431ms

TXT Record
purelymail_ownership_proof=af60b92d88021321c18a55eeaf850530b26f7fc0b35f87ebedcdbcb7fdd311539a561f1cd821b526c5f670cb365dd81705e01e85997fca64011e9158c5a19855
v=spf1 include:_spf.purelymail.com ~all

✉️ SPF#

Policy	Record (tkachenko.dk)
~all (soft fail)	v=spf1 include:_spf.purelymail.com ~all

📨 DMARC#

Policy	Record (_dmarc.tkachenko.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@purelymail.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 2026-10-20 04:23:21

www	104.21.18.13 172.67.179.41 2606:4700:3031::ac43:b329 2606:4700:3036::6815:120d (AS13335) (address records, no CNAME)
www vs bare domain	Same network tkachenko.dk: 104.21.18.13 172.67.179.41 2606:4700:3031::ac43:b329 2606:4700:3036::6815:120d (AS13335) www.tkachenko.dk: 104.21.18.13 172.67.179.41 2606:4700:3031::ac43:b329 2606:4700:3036::6815:120d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

840ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415057394
Primary NS (MNAME)	jerry.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 04:58:50

Field	Value
Registrar	Simply.com A/S
Registered	2025-01-28
Expires	2027-01-27 (98d)

🔗 Same registrant#

4 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
diahub.dk	Simply.com A/S
jyskhub.dk	Simply.com A/S
scandiweb.dk	Simply.com A/S
sodtsmart.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

142ms

146ms

158ms

AAAA

779ms

TXT

1431ms

CAA

774ms

HTTPS

139ms

TLSA

104ms

SOA

0ms

MTA-STS

779ms

DNSSEC

840ms

SRV

1580ms

Total

3028ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 04:23:20	3476ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 11:49:12 shown	3028ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 11:04:07	1056ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-17 19:02:57	17536ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-04 21:42:24	935ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-17 20:06:17	728ms	2 NS 0 A 1 MX	🔓 Insecure