dybbol-skolen.dk DNS records

🖥️ Nameservers2 records 264ms

Nameserver	IP addresses	PTR	ASN / ISP
burt.ns.cloudflare.com	108.162.193.79 172.64.33.79 173.245.59.79 2606:4700:58::adf5:3b4f 2803:f800:50::6ca2:c14f 2a06:98c1:50::ac40:214f	burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
veda.ns.cloudflare.com	108.162.194.147 162.159.38.147 172.64.34.147 2606:4700:50::a29f:2693 2803:f800:50::6ca2:c293 2a06:98c1:50::ac40:2293	veda.ns.cloudflare.com veda.ns.cloudflare.com veda.ns.cloudflare.com veda.ns.cloudflare.com veda.ns.cloudflare.com veda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 222ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.173	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.84	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.15.173
🔶 Autoconfig	172.67.163.84

🔷 AAAA Records (IPv6)2 records 256ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:fad	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a354	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 235ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.173,172.67.163.84 ech=AEX+DQBBPgAgACBRaau9niW8wIhtVhJC4khslt0eIymIW0Y1RV7JuT+5AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:fad,2606:4700:3036::ac43:a354

📝 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)

🔐 DNSSEC477ms

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	2412630320
Primary NS (MNAME)	burt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-14 20:48:40

Field	Value
Registrar	NETIM
Registered	2026-02-27
Expires	2027-02-26 (176d)

📋 WHOIS

⏱️ Lookup Timing

NS

264ms

A

222ms

MX

246ms

AAAA

256ms

TXT

748ms

CAA

267ms

HTTPS

235ms

TLSA

245ms

SOA

0ms

MTA-STS

331ms

DNSSEC

477ms

SRV

284ms

Total

5737ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 12:59:55	5737ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-10 03:28:53	4270ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 19:45:52	869ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-14 20:47:59	772ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-10 19:41:20	950ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 05:41:00	968ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 02:25:10	1665ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 12:14:35	3000ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 02:17:21	535ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 14:25:49	1184ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 10:33:24	1040ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 05:05:34	426ms	2 NS 2 A 0 MX	🔓 Insecure	View