testbutler.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
elma.ns.cloudflare.com	108.162.192.154 172.64.32.154 173.245.58.154 2606:4700:50::adf5:3a9a 2803:f800:50::6ca2:c09a 2a06:98c1:50::ac40:209a	elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com elma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
logan.ns.cloudflare.com	108.162.193.198 172.64.33.198 173.245.59.198 2606:4700:58::adf5:3bc6 2803:f800:50::6ca2:c1c6 2a06:98c1:50::ac40:21c6	logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.77	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.207	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.20.205.61
🔶 Autoconfig	172.67.135.207

🔷 AAAA Records (IPv6)2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:74d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:87cf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.77,172.67.135.207 ech=AEX+DQBB2gAgACAwddoAZIK+FFbeFrFfA1PTbgqnncaK/SSsA2NAny+2HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:74d,2606:4700:3033::ac43:87cf

🔌 SRV Records1 records 58ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records3 records 205ms

TXT Record
google-site-verification=KDSTeHLTF0Ka8DDIXVkuy3OsJIDYfm9vdy29bUMAOrY
site-verification=de63d33ed2ac96e0457363e96c14fbd0
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (testbutler.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE2 records 54ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC59ms

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

🏷️ SOA46ms

Field	Value
Serial	2407849763
Primary NS (MNAME)	elma.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

31ms

A

35ms

MX

38ms

AAAA

31ms

TXT

205ms

CAA

32ms

HTTPS

33ms

TLSA

54ms

SOA

46ms

MTA-STS

48ms

DNSSEC

59ms

SRV

58ms

Total

919ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 05:57:06	10110ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-23 21:25:17	10289ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 12:40:00	918ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-03 01:34:01	919ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 13:30:24	902ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 21:49:08	2334ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 20:35:46	741ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:18:27	2204ms	2 NS 2 A 1 MX	🔓 Insecure	View