hrt.dk

📜 Historical scan 2026-08-27 20:27:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hrt.dk is a .dk domain served by 2 nameservers (jake.ns.cloudflare.com, laila.ns.cloudflare.com). It was registered on 12 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.81 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hrt-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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
jake.ns.cloudflare.com	108.162.193.122 172.64.33.122 173.245.59.122 2606:4700:58::adf5:3b7a 2803:f800:50::6ca2:c17a 2a06:98c1:50::ac40:217a	jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laila.ns.cloudflare.com	108.162.194.122 162.159.38.122 172.64.34.122 2606:4700:50::a29f:267a 2803:f800:50::6ca2:c27a 2a06:98c1:50::ac40:227a	laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.81	300s	linux401.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	hrt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::b 2a01:111:f403:ca38::8 52.101.73.145 52.101.73.19 52.101.73.30 52.101.73.6	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 123ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5601	sipfed.online.lync.com

📝 TXT Records#

5 records 279ms

TXT Record
cpf6steqh60ouet46e84kcf1gh
h4lq25btl69349bacvokp5jb9a
MS=ms31410132
v=spf1 include:spf.protection.outlook.com include:spfrerouting.xink.io -all
vpe=5235de2c

✉️ SPF#

Policy	Record (hrt.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spfrerouting.xink.io -all

📨 DMARC#

Policy	Record (_dmarc.hrt.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 2026-10-17 02:15:03

www CNAME	hrt.dk (all on hrt.dk) → 185.20.205.81 (AS48854)
www vs bare domain	Same network hrt.dk: 185.20.205.81 (AS48854) www.hrt.dk: 185.20.205.81 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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-hrt-dk._domainkey.jbstextilegroup.onmicrosoft.com	RSA · ~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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.hrt.dk	SBFdu_zRCv3k677SW4rFJlW23jQUkHmz2KSNGwxq7OI
TXT	_acme-challenge.hrt.dk	draSTdj0_xW0HSCENuwhTQrMDzAOcP7uh0fPxs1vkF0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411682162
Primary NS (MNAME)	jake.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 02:25:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-02-12
Expires	2027-02-28 (132d)

🔗 Same registrant#

15 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
cfy.dk	Punktum dk A/S (direct)
claudio.dk	Punktum dk A/S (direct)
cr7underwear.dk	Punktum dk A/S (direct)
decoy.dk	Punktum dk A/S (direct)
hbtextil.dk	Punktum dk A/S (direct)
hrtua.dk	Punktum dk A/S (direct)
intimo.dk	Punktum dk A/S (direct)
jbsofdenmark.dk	Punktum dk A/S (direct)
kabooki.dk	Punktum dk A/S (direct)
laze.dk	Punktum dk A/S (direct)
nmtrikotage.dk	Punktum dk A/S (direct)
northorganic.dk	Punktum dk A/S (direct)
olympia-marathon.dk	Punktum dk A/S (direct)
symfoni.dk	Punktum dk A/S (direct)
tumblendry.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

51ms

58ms

AAAA

50ms

TXT

279ms

CAA

60ms

HTTPS

48ms

TLSA

884ms

SOA

0ms

MTA-STS

83ms

DNSSEC

82ms

SRV

123ms

Total

1691ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 02:15:02	2421ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 17:28:04	799ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 09:13:35	1264ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 06:53:04	1011ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:36:06	1073ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 07:33:32	1082ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 14:23:47	4110ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 06:21:29	2624ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 20:27:06 shown	1691ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 17:48:12	9515ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 23:17:50	1738ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 01:12:22	9295ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 15:57:48	9497ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 23:51:30	2963ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 07:34:43	1926ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:10:21	20876ms	2 NS 1 A 1 MX	🔒 Secure