rte.dk

📜 Historical scan 2026-09-23 12:17:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rte.dk is a .dk domain served by 2 nameservers (meera.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was registered on 25 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.104 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rte-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
meera.ns.cloudflare.com	108.162.192.195 172.64.32.195 173.245.58.195 2606:4700:50::adf5:3ac3 2803:f800:50::6ca2:c0c3 2a06:98c1:50::ac40:20c3	meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com meera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sullivan.ns.cloudflare.com	108.162.195.161 162.159.44.161 172.64.35.161 2606:4700:58::a29f:2ca1 2803:f800:50::6ca2:c3a1 2a06:98c1:50::ac40:23a1	sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.104	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.81	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rte-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 2a01:111:f403:ca21::c 2a01:111:f403:ca48::c 52.101.209.153 52.101.209.28 52.101.68.39 52.101.91.159	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00207.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	104.21.24.104
🔶 Autoconfig	104.21.24.104

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:1868	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:da51	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.104,172.67.218.81 ech=AEX+DQBBJAAgACCTuwGZ5klhCDps6fSZeh/rhFGvB6eMroxS34GSMc3LBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1868,2606:4700:3035::ac43:da51

📝 TXT Records#

3 records 212ms

TXT Record
google-site-verification=_hI92AKgdvcc2KTrur8sdq_HwErbydZDqIiNMrZghPY
MS=ms73673667
v=spf1 include:spf.turbo-smtp.com ?all include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com -all

✉️ SPF#

Policy	Record (rte.dk)
-all (hard fail)	v=spf1 include:spf.turbo-smtp.com ?all include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com -all

📨 DMARC#

Policy	Record (_dmarc.rte.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:7c33e11868904e36842ce2f6fa6f5b3a@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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 18:10:03

www	104.21.24.104 172.67.218.81 2606:4700:3032::6815:1868 2606:4700:3035::ac43:da51 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rte.dk: 104.21.24.104 172.67.218.81 2606:4700:3032::6815:1868 2606:4700:3035::ac43:da51 (AS13335) www.rte.dk: 104.21.24.104 172.67.218.81 2606:4700:3032::6815:1868 2606:4700:3035::ac43:da51 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rte-dk._domainkey.rthomsen.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: 3/10 · policy: -all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415012862
Primary NS (MNAME)	meera.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 07:53:01

Field	Value
Registrar	ONE.COM A/S
Registered	2016-10-25
Expires	2026-10-31 (10d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

61ms

36ms

AAAA

48ms

TXT

212ms

CAA

45ms

HTTPS

57ms

TLSA

181ms

SOA

0ms

MTA-STS

70ms

DNSSEC

54ms

SRV

93ms

Total

817ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 07:46:13	1444ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 07:11:27	1025ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 13:17:53	1096ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 12:17:51 shown	817ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-21 14:36:21	2190ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 17:28:52	2053ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 17:31:58	1836ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-31 08:24:38	1692ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 06:12:12	1363ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-17 17:37:43	17692ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 10:44:07	1013ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 20:39:29	1052ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 04:02:19	1015ms	2 NS 2 A 1 MX	🔒 Secure