optilink.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
phoenix.ns.cloudflare.com	108.162.194.201 162.159.38.201 172.64.34.201 2606:4700:50::a29f:26c9 2803:f800:50::6ca2:c2c9 2a06:98c1:50::ac40:22c9	phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rommy.ns.cloudflare.com	108.162.195.20 162.159.44.20 172.64.35.20 2606:4700:58::a29f:2c14 2803:f800:50::6ca2:c314 2a06:98c1:50::ac40:2314	rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.133	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 71ms

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	104.21.41.133
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2985	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a503	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 63ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.133,172.67.165.3 ech=AEX+DQBBcwAgACCn/m3LD6MOliaQPm+jB7t8exP6qD3dVyt6ZDX1MabXdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2985,2606:4700:3033::ac43:a503

🔌 SRV Records2 records 134ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	1	5061	5061	sipfed.online.lync.com

📝 TXT Records1 records 304ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.optilink.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 92ms

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

🔐 DNSSEC9099ms

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	2413126403
Primary NS (MNAME)	phoenix.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

53ms

A

46ms

MX

71ms

AAAA

39ms

TXT

304ms

CAA

64ms

HTTPS

63ms

TLSA

92ms

SOA

0ms

MTA-STS

86ms

DNSSEC

9099ms

SRV

134ms

Total

9661ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:01:35	9661ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 12:55:14	1664ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 12:43:05	10052ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-08 20:22:07	1950ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 12:55:53	10559ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 15:54:17	831ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 08:39:38	1172ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 01:38:26	595ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-18 02:25:28	844ms	4 NS 1 A 1 MX	🔒 Secure	View