atrs.dk

📜 Historical scan 2026-09-07 07:31:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

atrs.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 17 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.151 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by atrs-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 99ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.78.151	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	atrs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09:: 2a01:111:f403:ca09::6 2a01:111:f403:ca48::8 52.101.68.18 52.101.68.25 52.101.68.39 52.101.73.12	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.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)#

2 records 115ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4e97	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:df53	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 110ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.78.151,172.67.223.83 ech=AEX+DQBBAgAgACCpW8RMF1cNywVi46QM4FLAwS46VbOf6G47TbidOFXPdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4e97,2606:4700:3035::ac43:df53

🔌 SRV Records#

1 records 425ms

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

📝 TXT Records#

2 records 340ms

TXT Record
MS=ms26465849
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (atrs.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.atrs.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-14 00:54:24

www	104.21.78.151 172.67.223.83 2606:4700:3031::6815:4e97 2606:4700:3035::ac43:df53 (AS13335) (address records, no CNAME)
www vs bare domain	Same network atrs.dk: 104.21.78.151 172.67.223.83 2606:4700:3031::6815:4e97 2606:4700:3035::ac43:df53 (AS13335) www.atrs.dk: 104.21.78.151 172.67.223.83 2606:4700:3031::6815:4e97 2606:4700:3035::ac43:df53 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

205ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414006734
Primary NS (MNAME)	ivan.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 11:26:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-06-17
Expires	2027-06-16 (242d)

📋 WHOIS#

⏱️ Lookup Timing#

99ms

102ms

120ms

AAAA

115ms

TXT

340ms

CAA

100ms

HTTPS

110ms

TLSA

1190ms

SOA

0ms

MTA-STS

157ms

DNSSEC

205ms

SRV

425ms

Total

2268ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 00:54:23	1107ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 02:54:32	1574ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 02:44:23	870ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 15:26:23	9683ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 03:36:26	935ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 07:31:27 shown	2268ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 11:04:03	10759ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 14:00:18	1768ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-14 22:28:39	1690ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 11:49:05	6078ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 04:49:19	939ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:48:17	1248ms	2 NS 2 A 1 MX	🔓 Insecure