sid.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.89.90	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.101	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:595a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9d65	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.89.90,172.67.157.101 ech=AEX+DQBB8gAgACDHL35BlWDKWz22DYtOK4TpRMUwpkRrAmRPvUVhVtpJLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:595a,2606:4700:3036::ac43:9d65

📝 TXT Records1 records 137ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (sid.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.sid.dk)
p=reject	v=DMARC1; p=reject; sp=reject; 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

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413364804
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-02 17:55:33

Field	Value
Registrar	Simply.com A/S
Registered	1996-05-06
Expires	2027-06-30 (300d)

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

30ms

MX

31ms

AAAA

32ms

TXT

137ms

CAA

24ms

HTTPS

35ms

TLSA

42ms

SOA

0ms

MTA-STS

44ms

DNSSEC

99ms

SRV

53ms

Total

488ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 16:46:04	488ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-11 18:52:44	8967ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 17:47:12	1020ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 17:28:11	774ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 18:36:19	968ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 14:58:29	585ms	2 NS 2 A 0 MX	🔓 Insecure	View