sommer-feldinger.dk DNS records

🖥️ Nameservers2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
sasha.ns.cloudflare.com	108.162.194.69 162.159.38.69 172.64.34.69 2606:4700:50::a29f:2645 2803:f800:50::6ca2:c245 2a06:98c1:50::ac40:2245	sasha.ns.cloudflare.com sasha.ns.cloudflare.com sasha.ns.cloudflare.com sasha.ns.cloudflare.com sasha.ns.cloudflare.com sasha.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sean.ns.cloudflare.com	108.162.193.231 172.64.33.231 173.245.59.231 2606:4700:58::adf5:3be7 2803:f800:50::6ca2:c1e7 2a06:98c1:50::ac40:21e7	sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.177	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.9	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 29ms

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

🔷 AAAA Records (IPv6)2 records 22ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:13b1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:bb09	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.177,172.67.187.9 ech=AEX+DQBB+AAgACATcv+fK+Ptu0/bpXpp0D1wcGbigahtqny0PH7xycqfNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:13b1,2606:4700:3033::ac43:bb09

📝 TXT Records2 records 138ms

TXT Record
protonmail-verification=14d5378e5c3f7b56257a2be5e8c7eac706064d38
v=spf1 include:_spf.protonmail.ch include:alias.proton.me ~all

✉️ SPF

Policy	Record (sommer-feldinger.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch include:alias.proton.me ~all

📨 DMARC

Policy	Record (_dmarc.sommer-feldinger.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; 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 / DANE4 records 161ms

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

🔐 DNSSEC94ms

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	2413238565
Primary NS (MNAME)	sasha.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

26ms

A

26ms

MX

29ms

AAAA

22ms

TXT

138ms

CAA

24ms

HTTPS

34ms

TLSA

161ms

SOA

0ms

MTA-STS

40ms

DNSSEC

94ms

SRV

58ms

Total

994ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:10:41	994ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-09 20:11:39	4779ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-08 09:02:52	1796ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-30 05:48:28	16006ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-07 04:18:49	3938ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-04 18:50:40	6293ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 01:06:38	1006ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 16:09:28	5560ms	2 NS 2 A 2 MX	🔓 Insecure	View