mtcore.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
james.ns.cloudflare.com	108.162.193.178 172.64.33.178 173.245.59.178 2606:4700:58::adf5:3bb2 2803:f800:50::6ca2:c1b2 2a06:98c1:50::ac40:21b2	james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com james.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.145	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.57	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 67ms

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	104.21.41.145
🔶 Autoconfig	172.67.191.57

🔷 AAAA Records (IPv6)2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:bf39	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2991	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.145,172.67.191.57 ech=AEX+DQBBjgAgACAGd+wmoXQPMjzXpkwY+ze8vrvyh3X6bHrF0BXN0GD2OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bf39,2606:4700:3035::6815:2991

📝 TXT Records1 records 234ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.mtcore.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:97cf4d4e2069420caf30b3b339be964f@dmarc-reports.cloudflare.net

📬 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 71ms

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…

🔐 DNSSEC2067ms

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	2412447512
Primary NS (MNAME)	james.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

51ms

A

57ms

MX

67ms

AAAA

57ms

TXT

234ms

CAA

47ms

HTTPS

46ms

TLSA

71ms

SOA

0ms

MTA-STS

70ms

DNSSEC

2067ms

SRV

78ms

Total

2895ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 08:43:54	716ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 22:36:48	9709ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 14:43:28	1029ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-17 13:21:50	2895ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-13 17:03:19	3716ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-10 09:24:02	2824ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-03 19:28:38	8989ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-07-27 08:46:08	9005ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-26 07:55:30	24804ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-25 07:36:19	834ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-24 07:04:09	1060ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 02:48:03	817ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 05:18:07	723ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:56:32	1994ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:02:36	1998ms	3 NS 1 A 1 MX	🔒 Secure	View