zilckn.dk

📜 Historical scan 2026-06-18 00:13:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zilckn.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by smtp.google.com. 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#

3 records 253ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

8 records 310ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	—	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	—	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	—	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	—	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
216.239.32.21	—	any-in-2015.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.34.21	—	any-in-2215.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.36.21	—	any-in-2415.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.38.21	—	any-in-2615.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—

📧 MX Records#

1 records 175ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net —	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 415ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 852ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.zilckn.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-08 18:04:10

www CNAME	ext-cust.squarespace.com (all on squarespace.com) → 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
www vs bare domain	Same network zilckn.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS15169 AS53831) www.zilckn.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
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) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

561ms

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

🏷️ SOA#

345ms

Field	Value
Serial	2025031408
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 06:37:50

Field	Value
Registrar	Simply.com A/S
Registered	2025-03-08
Expires	2027-03-07 (140d)

🔗 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#

253ms

310ms

175ms

AAAA

220ms

TXT

852ms

CAA

432ms

HTTPS

349ms

TLSA

709ms

SOA

345ms

MTA-STS

431ms

DNSSEC

561ms

SRV

415ms

Total

4953ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 18:04:10	550ms	3 NS 8 A 1 MX	🔒 Secure
2026-10-03 10:29:40	866ms	3 NS 8 A 1 MX	🔒 Secure
2026-09-25 09:10:06	692ms	3 NS 8 A 1 MX	🔒 Secure
2026-06-18 00:13:39 shown	4953ms	3 NS 8 A 1 MX	🔒 Secure
2026-06-18 00:08:51	1090ms	3 NS 8 A 1 MX	🔒 Secure