gumbo.dk DNS records

🖥️ Nameservers2 records 163ms

Nameserver	IP addresses	PTR	ASN / ISP
ben.ns.cloudflare.com	108.162.193.103 172.64.33.103 173.245.59.103 2606:4700:58::adf5:3b67 2803:f800:50::6ca2:c167 2a06:98c1:50::ac40:2167	ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com ben.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ingrid.ns.cloudflare.com	108.162.192.165 172.64.32.165 173.245.58.165 2606:4700:50::adf5:3aa5 2803:f800:50::6ca2:c0a5 2a06:98c1:50::ac40:20a5	ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.79	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.244	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 220ms

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	100.88.164.3
🔶 Autoconfig	100.88.164.3

🔷 AAAA Records (IPv6)2 records 108ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:f4f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a1f4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 185ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.79,172.67.161.244 ech=AEX+DQBB1wAgACBO6/jrXP1aBhaf2Ru3Gu/fnISM/miZlyHnAVovwfhNIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:f4f,2606:4700:3036::ac43:a1f4

📝 TXT Records2 records 541ms

TXT Record
protonmail-verification=4fd33062a4de31c62bf1c2117e29e2db30f55950
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.gumbo.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.gumbo.dk	1v91ew0egiH3HIZjS7c3FgfUzSb1YdZDWb3z76t9mKg
TXT	_acme-challenge.gumbo.dk	nHAN56HTEIJxW8tfDcZTx1SmAKmTPMKyvpWndp1pgN0

🔗 TLSA / DANE4 records 305ms

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	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC366ms

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

🏷️ SOA0ms

Field	Value
Serial	2413561781
Primary NS (MNAME)	ben.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

163ms

A

84ms

MX

220ms

AAAA

108ms

TXT

541ms

CAA

122ms

HTTPS

185ms

TLSA

305ms

SOA

0ms

MTA-STS

254ms

DNSSEC

366ms

SRV

234ms

Total

3477ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 13:52:21	3477ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-28 11:32:21	975ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-28 07:13:12	662ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-27 07:01:41	879ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 14:37:46	761ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-03 23:34:17	1181ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-26 21:36:29	9559ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-24 20:19:24	10148ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-10 16:23:08	33738ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-02 15:10:04	5675ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 09:41:00	2841ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 10:37:08	937ms	2 NS 2 A 2 MX	🔓 Insecure	View