retest.dk

Records from scan: 2026-10-15 22:59:17 · 1161ms total · last checked 2026-10-19 01:54 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

retest.dk is a .dk domain served by 2 nameservers (hank.ns.cloudflare.com, sandy.ns.cloudflare.com). It was registered on 1 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.177 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by retest-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
hank.ns.cloudflare.com	108.162.193.116 172.64.33.116 173.245.59.116 2606:4700:58::adf5:3b74 2803:f800:50::6ca2:c174 2a06:98c1:50::ac40:2174	hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com hank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sandy.ns.cloudflare.com	108.162.192.219 172.64.32.219 173.245.58.219 2606:4700:50::adf5:3adb 2803:f800:50::6ca2:c0db 2a06:98c1:50::ac40:20db	sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.177	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.175	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	retest-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca09::24 2a01:111:f403:ca21::e 52.101.68.10 52.101.68.21 52.101.68.25 52.101.68.8	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:55b1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:d0af	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.177,172.67.208.175 ech=AEX+DQBBoQAgACDnocAmMJrNbx2g+6T1UqeIJvWl/Zi2sNZ6SqX7p2HyWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:55b1,2606:4700:3032::ac43:d0af

🔌 SRV Records#

1 records 77ms

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

📝 TXT Records#

5 records 183ms

TXT Record
5449c2dac494ab81b345e8e9f4c9a85d1624056e
google-site-verification=9aHNr3zJYSozLGEVvIaLAweRGNUx2heH_BrgOYUpy1s
MS=ms74574656
MS=msXXXXXXXX
v=spf1 include:spf.protection.outlook.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (retest.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.retest.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:report-only@retest.dk; ruf=mailto:mailreports@retestsecurity.dk;

📬 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#

checked 2026-10-15 22:59:17

www	104.21.85.177 172.67.208.175 2606:4700:3032::6815:55b1 2606:4700:3032::ac43:d0af (AS13335) (address records, no CNAME)
www vs bare domain	Same network retest.dk: 104.21.85.177 172.67.208.175 2606:4700:3032::6815:55b1 2606:4700:3032::ac43:d0af (AS13335) www.retest.dk: 104.21.85.177 172.67.208.175 2606:4700:3032::6815:55b1 2606:4700:3032::ac43:d0af (AS13335)
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
BIMI	v=BIMI1; l=https://retest.dk/wp-content/uploads/2021/10/bimi-svg-tiny-12-ps.svg

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-retest-dk._domainkey.retestdk377.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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.retest.dk	5Vc8F__CI_-y7LRa0txm_C3snS8eWs8A5s-FqVVdWF8
TXT	_acme-challenge.retest.dk	JM-5-WGjXrKw8EU_J1e80ix4AV8f0FfxyOc2SUoWtTw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2417535126
Primary NS (MNAME)	hank.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 07:57:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-04-01
Expires	2027-04-30 (192d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

29ms

31ms

AAAA

31ms

TXT

183ms

CAA

43ms

HTTPS

41ms

TLSA

671ms

SOA

46ms

MTA-STS

47ms

DNSSEC

64ms

SRV

77ms

Total

1161ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 22:59:17 shown	1161ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 07:42:35	2388ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 23:21:38	2486ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-10 20:40:59	3814ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 19:06:19	3275ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 07:24:13	1444ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-19 16:31:24	9538ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 16:16:05	17448ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-17 13:22:59	1822ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 06:43:46	1771ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-14 16:48:31	9023ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-26 21:10:05	1479ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-13 08:05:07	1438ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 15:26:45	5305ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 14:24:06	3637ms	2 NS 2 A 1 MX	🔒 Secure