cortex.dk DNS records

🖥️ Nameservers3 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records2 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	3600s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—
99.83.231.61	3600s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	99.83.128.0/17	🇺🇸 United States	—

📧 MX Records1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	600s	cortexems.in.tmes.trendmicro.eu	18.185.115.145 18.185.115.146 18.185.115.147	in.tmes.trendmicro.eu in.tmes.trendmicro.eu in.tmes.trendmicro.eu	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 144ms

TXT Record
tmes=dcb4175f8ebe37fd92ca6ffb3efa02f8
v=spf1 mx include:_spf.mlsend.com include:infb.tmes.trendmicro.eu include:spf.onlinemail.io include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cortex.dk)
-all (hard fail)	v=spf1 mx include:_spf.mlsend.com include:infb.tmes.trendmicro.eu include:spf.onlinemail.io include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.cortex.dk)
p=quarantine	v=DMARC1; p=Quarantine; rua=mailto:67d96caf3156a@dmarc-dk.centerasecurity.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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026070801
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

57ms

MX

64ms

AAAA

33ms

TXT

144ms

CAA

47ms

HTTPS

70ms

TLSA

102ms

SOA

0ms

MTA-STS

72ms

DNSSEC

81ms

SRV

76ms

Total

659ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:18:18	659ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-07-08 18:34:16	2035ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-30 05:36:43	690ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 22:33:26	1771ms	3 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 22:30:39	756ms	3 NS 2 A 1 MX	🔒 Secure	View