sifinside.dk

📜 Historical scan 2026-09-06 22:05:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sifinside.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 12 July 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.123 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 301ms

Nameserver	IP addresses	PTR	ASN / ISP
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.123	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.148.26	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 156ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:377b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:941a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 140ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.123,172.67.148.26 ech=AEX+DQBBEAAgACAegj4fmTjvi6qZBBAjjU4MQzVkGUpNZtvZgKXRh1spXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:377b,2606:4700:3033::ac43:941a

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 18:00:07

www	104.21.55.123 172.67.148.26 2606:4700:3030::6815:377b 2606:4700:3033::ac43:941a (AS13335) (address records, no CNAME)
www vs bare domain	Same network sifinside.dk: 104.21.55.123 172.67.148.26 2606:4700:3030::6815:377b 2606:4700:3033::ac43:941a (AS13335) www.sifinside.dk: 104.21.55.123 172.67.148.26 2606:4700:3030::6815:377b 2606:4700:3033::ac43:941a (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413723524
Primary NS (MNAME)	justin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:30:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-07-12
Expires	2027-07-31 (286d)

📋 WHOIS#

⏱️ Lookup Timing#

301ms

102ms

154ms

AAAA

156ms

TXT

269ms

CAA

196ms

HTTPS

140ms

TLSA

124ms

SOA

0ms

MTA-STS

157ms

DNSSEC

149ms

SRV

153ms

Total

1431ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:00:07	711ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-06 09:39:50	398ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-26 06:13:21	665ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-06 22:05:51 shown	1431ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-27 01:04:05	832ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-17 03:25:53	16932ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-08 09:33:05	1618ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-18 05:35:40	757ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-25 16:18:35	954ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-24 02:48:33	1041ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-21 11:07:00	917ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-19 03:47:38	821ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 13:17:02	838ms	2 NS 2 A 0 MX	🔒 Secure