roskildetandteknik.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
dave.ns.cloudflare.com	108.162.193.109 172.64.33.109 173.245.59.109 2606:4700:58::adf5:3b6d 2803:f800:50::6ca2:c16d 2a06:98c1:50::ac40:216d	dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marge.ns.cloudflare.com	108.162.192.191 172.64.32.191 173.245.58.191 2606:4700:50::adf5:3abf 2803:f800:50::6ca2:c0bf 2a06:98c1:50::ac40:20bf	marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.30.226	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.173.229	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.flexmail.dk	57.129.53.233	flex30.flexnet.dk	AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	flex30.flexnet.dk → 57.129.53.233
🔶 Autoconfig	flex30.flexnet.dk → 57.129.53.233

🔷 AAAA Records (IPv6)2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1ee2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:ade5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 62ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.30.226,172.67.173.229 ech=AEX+DQBBkAAgACDg2Vj95DTnMoBzZqStrQjUWeAeRnEh8QgpP5Gf87BuTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1ee2,2606:4700:3031::ac43:ade5

🔌 SRV Records2 records 116ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autoconfig.flexmail.dk
_imaps._tcp	0	0	993	mail.flexmail.dk

📝 TXT Records2 records 254ms

TXT Record
google-site-verification=aiAmrtNQPyKOENK2nlM23s_JJvNX9nB-V7D91KZiR8E
v=spf1 a mx include:spf.smtp2go.net include:eu.mailgun.org ~all

✉️ SPF

Policy	Record (roskildetandteknik.dk)
~all (soft fail)	v=spf1 a mx include:spf.smtp2go.net include:eu.mailgun.org ~all

📨 DMARC

Policy	Record (_dmarc.roskildetandteknik.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=dmarc-reports@flexnet.dk

📬 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 / DANE1 records 71ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.flexmail.dk	DANE-EE · SPKI · SHA-256	75F4832CCD96AE280F4562E0DC166B64…

🔐 DNSSEC2098ms

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	2412254284
Primary NS (MNAME)	dave.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

51ms

A

83ms

MX

51ms

AAAA

56ms

TXT

254ms

CAA

49ms

HTTPS

62ms

TLSA

71ms

SOA

0ms

MTA-STS

121ms

DNSSEC

2098ms

SRV

116ms

Total

3160ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 15:32:44	3160ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-15 14:08:57	1062ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 14:53:14	991ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-05 20:40:07	1176ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 14:04:04	11342ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 04:07:58	2617ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 22:38:51	1052ms	2 NS 2 A 1 MX	🔓 Insecure	View