rationel.dk

📜 Historical scan 2026-09-08 18:19:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rationel.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 5 July 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.65.202.43 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by rationel-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 153ms

Nameserver	IP addresses	PTR	ASN / ISP
udns1.cscdns.net	2001:502:f3ff::201 204.74.66.1	edns1.ultradns.com udns1.cscdns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
udns2.cscdns.uk	2001:502:4612::201 204.74.111.1	ns2.webipdns.com.au udns2.cscdns.uk	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 115ms

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 Records#

1 records 333ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rationel-dk.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca09::f 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::8 52.101.103.36 52.101.68.0 52.101.68.16 52.101.73.8	mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 499ms

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

📝 TXT Records#

8 records 619ms

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.vaimo.net ip4:92.62.202.74 include:spf.postal.powr.host 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.vaimo.net ip4:92.62.202.74 include:spf.postal.powr.host 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#

Status	Report address (rua)
✓ Enabled	https://csp.swarm.powr.host

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 15:24:32

www	159.65.202.43 (AS14061) (address records, no CNAME)
www vs bare domain	Same network rationel.dk: 159.65.202.43 (AS14061) www.rationel.dk: 159.65.202.43 (AS14061)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u15425250.wl001.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u15425250.wl001.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-rationel-dk._domainkey.dovista.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

197ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2013112482
Primary NS (MNAME)	udns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	86400s
Retry	86400s
Expire	86400s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 03:24:55

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	1996-07-05
Expires	2027-09-30 (340d)

📋 WHOIS#

⏱️ Lookup Timing#

153ms

115ms

333ms

AAAA

286ms

TXT

619ms

CAA

126ms

HTTPS

194ms

TLSA

173ms

SOA

0ms

MTA-STS

88ms

DNSSEC

197ms

SRV

499ms

Total

1309ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 15:24:32	2979ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 08:33:41	2285ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 02:53:33	1466ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 16:48:02	1725ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:34:29	1404ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 15:39:12	1533ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 15:13:50	901ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 14:59:01	1323ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 13:27:15	1188ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 18:19:59 shown	1309ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 09:20:18	1145ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:27:21	1150ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 03:21:53	1464ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 21:58:20	2557ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 20:29:52	1888ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 02:12:56	6736ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 01:08:59	4267ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 03:52:41	1054ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-01 02:50:28	1232ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 17:12:20	1037ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-24 16:24:33	1059ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-20 22:54:52	1018ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 12:01:55	1584ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 14:04:35	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 23:06:28	1953ms	2 NS 1 A 1 MX	🔒 Secure