strong.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
dakota.ns.cloudflare.com	108.162.195.79 162.159.44.79 172.64.35.79 2606:4700:58::a29f:2c4f 2803:f800:50::6ca2:c34f 2a06:98c1:50::ac40:234f	dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
susan.ns.cloudflare.com	108.162.194.199 162.159.38.199 172.64.34.199 2606:4700:50::a29f:26c7 2803:f800:50::6ca2:c2c7 2a06:98c1:50::ac40:22c7	susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com susan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.13	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.36	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mta-gw.infomaniak.ch	2001:1600:0:aaaa::1:3 2001:1600:0:aaaa::1:4 83.166.143.57 83.166.143.58	mx01.infomaniak.ch mx02.infomaniak.ch mx01.infomaniak.ch mx02.infomaniak.ch	AS29222 Infomaniak Network SA AS29222 Infomaniak Network SA AS29222 Infomaniak Network SA AS29222 Infomaniak Network SA

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	infomaniak.com → 185.125.25.1
🔶 Autoconfig	infomaniak.com → 185.125.25.1

🔷 AAAA Records (IPv6)2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8b24	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:570d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.13,172.67.139.36 ech=AEX+DQBBTAAgACANrQlLunHhm/SwiuLnnoDYBpcdFqbIp8fdqqI6rw4FVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8b24,2606:4700:3034::6815:570d

📝 TXT Records1 records 206ms

TXT Record
v=spf1 include:spf.infomaniak.ch -all

✉️ SPF

Policy	Record (strong.dk)
-all (hard fail)	v=spf1 include:spf.infomaniak.ch -all

📨 DMARC

Policy	Record (_dmarc.strong.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@strong.dk; ruf=mailto:dmarc-failures@strong.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 185ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mta-gw.infomaniak.ch	DANE-EE · SPKI · SHA-256	01BBBC3A65E5F2067AA43DBAB107583E…

🔐 DNSSEC9090ms

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	2411648579
Primary NS (MNAME)	dakota.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

47ms

A

66ms

MX

46ms

AAAA

54ms

TXT

206ms

CAA

39ms

HTTPS

47ms

TLSA

185ms

SOA

0ms

MTA-STS

71ms

DNSSEC

9090ms

SRV

105ms

Total

10281ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 12:14:45	10281ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 08:45:20	2052ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-25 09:42:02	2020ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 04:45:11	9216ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-27 01:30:07	3177ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 18:56:33	5428ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 11:58:01	1403ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 15:22:45	934ms	2 NS 2 A 1 MX	🔓 Insecure	View