devtsb.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ophelia.ns.cloudflare.com	108.162.194.248 162.159.38.248 172.64.34.248 2606:4700:50::a29f:26f8 2803:f800:50::6ca2:c2f8 2a06:98c1:50::ac40:22f8	ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com ophelia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wells.ns.cloudflare.com	108.162.195.125 162.159.44.125 172.64.35.125 2606:4700:58::a29f:2c7d 2803:f800:50::6ca2:c37d 2a06:98c1:50::ac40:237d	wells.ns.cloudflare.com wells.ns.cloudflare.com wells.ns.cloudflare.com wells.ns.cloudflare.com wells.ns.cloudflare.com wells.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.8	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.254	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	192.168.82.100
🔶 Autoconfig	192.168.82.100

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8bfe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3108	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.8,172.67.139.254 ech=AEX+DQBBOwAgACBELX8HcpMzdct4swNxoewyTy2e+KVXyi1rPKLO/FQWMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bfe,2606:4700:3037::6815:3108

📝 TXT Records2 records 179ms

TXT Record
protonmail-verification=530211a59dc2690d1514291af974c287299c5c89
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (devtsb.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.devtsb.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 140ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC61ms

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	2410986779
Primary NS (MNAME)	ophelia.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

32ms

A

58ms

MX

32ms

AAAA

39ms

TXT

179ms

CAA

32ms

HTTPS

32ms

TLSA

140ms

SOA

0ms

MTA-STS

47ms

DNSSEC

61ms

SRV

67ms

Total

1321ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-02 17:56:12	1321ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-29 20:25:20	10884ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-28 00:39:45	1507ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-25 23:51:03	8958ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-01 13:01:39	1023ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-24 19:40:31	1271ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-19 14:37:15	795ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 02:53:38	2538ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 02:30:19	790ms	2 NS 2 A 2 MX	🔓 Insecure	View