rationel.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	udns1.cscdns.net edns1.ultradns.com	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	udns2.cscdns.net edns1.ultradns.org	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
159.65.202.43	600s	—	AS14061	DigitalOcean, LLC	159.65.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rationel-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca09::26 52.101.68.15 52.101.68.16 52.101.68.3 52.101.73.11	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 122ms

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

📝 TXT Records8 records 232ms

TXT Record
_globalsign-domain-verification=_KVfmx9hhvWMvhdxU6xZ3A2aLT1-7OgCUXJLRjPXWt
facebook-domain-verification=5uxh1jtu0erre87mf60ddlelkg1pym
GLvQqRjNZlgqIkiStvjH/iGB8poyZYQ31fPOLKPIwcls53jHqv3dSEn5D/QyvUYOu3Jb2lB0TJqrpm4TyEGQPQ==
google-site-verification=KTW82MQkxUEXgMPiH90hyH2FtgJHFkQbP8CIqv2QPjA
Hello TRUSTZONE - CEOV1406177734
MS=ms89550697
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.mandrillapp.com include:_spf.vaimo.net ip4:92.62.202.74 ip4:92.62.202.75 a:massmail.scannet.dk -all
XEOsyZd02ZtEjE3xRGFw0rsRDCmMYTfwnhLTEeNxnpGjri0CWBPlkI0Ti4zfE9rDg0D87COMQyPk8Nrq4NZZVw==

✉️ SPF

Policy	Record (rationel.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.mandrillapp.com include:_spf.vaimo.net ip4:92.62.202.74 ip4:92.62.202.75 a:massmail.scannet.dk -all

📨 DMARC

Policy	Record (_dmarc.rationel.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:65bcede95236c@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)

🔐 DNSSEC180ms

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

🏷️ SOA0ms

Field	Value
Serial	2013112472
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	86400s
Retry	86400s
Expire	86400s
Minimum (neg-cache TTL)	86400s

📋 RegistrationWHOIS fetched 2026-07-04 23:10:05

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1996-07-05
Expires	2026-09-30 (27d)

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

68ms

MX

74ms

AAAA

55ms

TXT

232ms

CAA

89ms

HTTPS

50ms

TLSA

300ms

SOA

0ms

MTA-STS

152ms

DNSSEC

180ms

SRV

122ms

Total

1145ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:20:18	1145ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:27:21	1150ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 03:21:53	1464ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 21:58:20	2557ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 20:29:52	1888ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 02:12:56	6736ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 01:08:59	4267ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 03:52:41	1054ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 02:50:28	1232ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 17:12:20	1037ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 16:24:33	1059ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 22:54:52	1018ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 12:01:55	1584ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 14:04:35	1022ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 23:06:28	1953ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 12:17:58	1267ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 01:32:03	1380ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 16:34:20	1553ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:51:09	1189ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 10:58:17	985ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:44:35	3450ms	2 NS 1 A 1 MX	🔒 Secure	View