sifinside.dk DNS records

🖥️ Nameservers2 records 47ms

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 Records2 records 50ms

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 65ms

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 Records1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.123,172.67.148.26 ech=AEX+DQBBEAAgACA7If8rNglk9KVKZETb+2qIlzSUhPBSk880QdeYlfeJcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

🔗 TLSA / DANE

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

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2411649920
Primary NS (MNAME)	justin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

50ms

MX

37ms

AAAA

65ms

TXT

266ms

CAA

65ms

HTTPS

51ms

TLSA

64ms

SOA

0ms

MTA-STS

88ms

DNSSEC

95ms

SRV

124ms

Total

832ms

🕐 Scan History

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