33f.dk DNS records

🖥️ Nameservers2 records 234ms

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 434ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.186	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.32	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 218ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:ac20	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:37ba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 218ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.186,172.67.172.32 ech=AEX+DQBBeQAgACCc057jHmdUNLe3Q7CP6vEMJf27rqKyIa9ycfkg+crjGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ac20,2606:4700:3036::6815:37ba

📝 TXT Records1 records 717ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (33f.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.33f.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)

🔐 DNSSEC342ms

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

🏷️ SOA231ms

Field	Value
Serial	2405801402
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 2026-08-29 17:41:51

Field	Value
Registrar	Simply.com A/S
Registered	2019-08-14
Expires	2027-08-31 (361d)

📋 WHOIS

⏱️ Lookup Timing

NS

234ms

A

434ms

MX

243ms

AAAA

218ms

TXT

717ms

CAA

254ms

HTTPS

218ms

TLSA

216ms

SOA

231ms

MTA-STS

261ms

DNSSEC

342ms

SRV

477ms

Total

3415ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 21:07:36	1197ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-29 17:40:55	488ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 23:37:42	975ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 13:35:50	3415ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 13:12:55	460ms	2 NS 2 A 0 MX	🔓 Insecure	View