sikk.dk

📜 Historical scan 2026-06-17 13:37:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sikk.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 April 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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#

4 records 94ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 120ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	—	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 107ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	smtp.google.com	2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 64.233.162.26 64.233.162.27 64.233.163.26 74.125.205.26 74.125.205.27	le-in-f26.1e100.net le-in-x1a.1e100.net le-in-f27.1e100.net le-in-x1b.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net lj-in-f26.1e100.net le-in-f26.1e100.net le-in-f27.1e100.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 AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 366ms

TXT Record
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGdBkq/U2wzVoRPAPZUOUcK400iHwZojrKM680LCHjt5t/kmrmbZ/tBp7Z2KU6T4pseIO9qYU7JYKsjzQ0qJ30W4/QqqZ8q5g8AAyNSWFARDunRmvFu6EfJLnXQudHQ9e3As80GVdXL1WFPxv87Fl/2bxil95V5JLG78Jj1E1ajwIDAQAB
linkedin-site-verification=be8e55fe-76ef-4985-8616-7aca4314ef5e
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt4NBPMyFTtzbSEAPTc02o/tcoO4eGzps2oZmPhmzyYuDYfIatrpRFZmgLgNXc0xkfbZWI0rsf5sNjfDZ/jjEiQjis9crdn8oAV7kqMZjPH3XW+6sIa5PuKUSXPztOs+9goiIpj7sSfHiFGp9EP/lmFNCTp2MKmYch+Dsg36XnGTWIKgkEw5/5qKZaxLYR4mT601q6WgSYQrNiYwXWZQGkpXtG/dnXnRO/Yjvc5R1Kh9u7v/XbH/B17DHFV8WHh8PZp2YQIw9to/p1pxbSp7N6u62YJOiGz/92CVtMM42Kr7j43LtkWUR/DXS1r3huJzaTpRSKWbDDkBGVhNsDSrQ3QIDAQAB
v=spf1 include:spf.simply.com include:_spf.google.com include:one.zoho.eu ~all

✉️ SPF#

Policy	Record (sikk.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:_spf.google.com include:one.zoho.eu ~all

📨 DMARC#

Policy	Record (_dmarc.sikk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@sikk.dk, mailto:dmarc@sikk.dk; pct=100; adkim=s; aspf=s

📬 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 2026-10-13 04:45:29

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sikk.dk: 94.231.103.100 (AS48854) www.sikk.dk: 94.231.103.100 (AS48854)
Wildcard	Yes: any name under the zone resolves
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

256ms

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

🏷️ SOA#

79ms

Field	Value
Serial	2026011400
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 2026-10-02 21:15:22

Field	Value
Registrar	Simply.com A/S
Registered	2018-04-17
Expires	2029-04-30 (924d)

📋 WHOIS#

⏱️ Lookup Timing#

94ms

120ms

107ms

AAAA

99ms

TXT

366ms

CAA

98ms

HTTPS

85ms

TLSA

162ms

SOA

79ms

MTA-STS

149ms

DNSSEC

256ms

SRV

0ms

Total

2276ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:46:22	834ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:36:14	710ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 18:14:40	919ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-23 01:30:51	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:37:11	755ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:37:57 shown	2276ms	4 NS 1 A 1 MX	🔒 Secure