vub.dk

📜 Historical scan 2026-07-24 17:27:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vub.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, dan.ns.cloudflare.com). It was registered on 14 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.53.101 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dan.ns.cloudflare.com	108.162.193.108 172.64.33.108 173.245.59.108 2606:4700:58::adf5:3b6c 2803:f800:50::6ca2:c16c 2a06:98c1:50::ac40:216c	dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.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 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.53.101	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.253	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.211.253
🔶 Autoconfig	104.21.53.101

🔷 AAAA Records (IPv6)#

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:d3fd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3565	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 78ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.53.101,172.67.211.253 ech=AEX+DQBBSgAgACDs+OGL6XpIIzjQi1MWQsrfuSqkn7skg2VmLT59Jo2qXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:d3fd,2606:4700:3036::6815:3565

📝 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 2026-10-12 18:35:50

www	104.21.53.101 172.67.211.253 2606:4700:3034::ac43:d3fd 2606:4700:3036::6815:3565 (AS13335) (address records, no CNAME)
www vs bare domain	Same network vub.dk: 104.21.53.101 172.67.211.253 2606:4700:3034::ac43:d3fd 2606:4700:3036::6815:3565 (AS13335) www.vub.dk: 104.21.53.101 172.67.211.253 2606:4700:3034::ac43:d3fd 2606:4700:3036::6815:3565 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

156ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2410330650
Primary NS (MNAME)	barbara.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 18:37:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-06-14
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

99ms

45ms

AAAA

52ms

TXT

227ms

CAA

60ms

HTTPS

78ms

TLSA

712ms

SOA

0ms

MTA-STS

93ms

DNSSEC

156ms

SRV

100ms

Total

1449ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:35:50	423ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-09 10:34:11	497ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 22:55:44	474ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 12:10:24	663ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 14:35:50	666ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-11 12:38:12	2948ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 06:37:23	702ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 20:02:05	1098ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 15:47:13	1238ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-24 17:27:06 shown	1449ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-23 15:32:45	750ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 18:14:30	5777ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 18:50:44	965ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 15:07:05	759ms	2 NS 2 A 0 MX	❓ Unknown