sikk.dk

Records from scan: 2026-10-02 20:46:22 · 834ms total · last checked 2026-10-18 09:14 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 50ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.251.1.26 142.251.1.27 209.85.233.26 209.85.233.27 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b	la-in-f26.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net lr-in-x1b.1e100.net lr-in-f27.1e100.net lb-in-f26.1e100.net lb-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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.103.180
🔶 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 70ms

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

📝 TXT Records#

4 records 194ms

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#

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#

93ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026100100
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#

50ms

37ms

AAAA

57ms

TXT

194ms

CAA

66ms

HTTPS

25ms

TLSA

71ms

SOA

46ms

MTA-STS

43ms

DNSSEC

93ms

SRV

70ms

Total

834ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 20:46:22 shown	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	2276ms	4 NS 1 A 1 MX	🔒 Secure