rengros.dk

📜 Historical scan 2026-07-02 15:30:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rengros.dk is a .dk domain served by 2 nameservers (eva.ns.cloudflare.com, zod.ns.cloudflare.com). It was registered on 17 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.115 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rengros-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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
eva.ns.cloudflare.com	108.162.192.114 172.64.32.114 173.245.58.114 2606:4700:50::adf5:3a72 2803:f800:50::6ca2:c072 2a06:98c1:50::ac40:2072	eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com eva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zod.ns.cloudflare.com	108.162.193.250 172.64.33.250 173.245.59.250 2606:4700:58::adf5:3bfa 2803:f800:50::6ca2:c1fa 2a06:98c1:50::ac40:21fa	zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.115	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.156	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 411ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rengros-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 52.101.68.12 52.101.68.36 52.101.73.11 52.101.73.28	mail-dbapr03cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3d73	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d19c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.115,172.67.209.156 ech=AEX+DQBBAgAgACAYB0NqHNU6ndou7IldAX9WufnZq5AhxDQBAB0Lgh2oAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3d73,2606:4700:3036::ac43:d19c

📝 TXT Records#

1 records 186ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk +a +mx ~all

✉️ SPF#

Policy	Record (rengros.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.rengros.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@adidibau.dk; ruf=mailto:dmarc@adidibau.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#

latest probe, not this scan · checked 2026-10-18 04:56:18

www	104.21.61.115 172.67.209.156 2606:4700:3030::6815:3d73 2606:4700:3036::ac43:d19c (AS13335) (address records, no CNAME)
www vs bare domain	Same network rengros.dk: 104.21.61.115 172.67.209.156 2606:4700:3030::6815:3d73 2606:4700:3036::ac43:d19c (AS13335) www.rengros.dk: 104.21.61.115 172.67.209.156 2606:4700:3030::6815:3d73 2606:4700:3036::ac43:d19c (AS13335)
Wildcard	No

✍️ DKIM keys#

4 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
dkim	ph._domainkey.powerhosting.dk	RSA · ~1024 bit below 2048 bit
selector1	selector1-rengros-dk._domainkey.rengros.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-rengros-dk._domainkey.rengros.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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2407311057
Primary NS (MNAME)	eva.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 17:48:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-10-17
Expires	2027-10-31 (372d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

37ms

42ms

411ms

AAAA

45ms

TXT

186ms

CAA

44ms

HTTPS

47ms

TLSA

253ms

SOA

47ms

MTA-STS

52ms

DNSSEC

79ms

SRV

60ms

Total

1938ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 04:56:18	2194ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-17 04:28:20	2069ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-16 03:30:36	1655ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 17:39:33	1357ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 06:48:15	1866ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 05:00:53	930ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 14:47:02	2046ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 18:36:51	10223ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 04:46:22	4996ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 00:58:28	1889ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 15:30:35 shown	1938ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 11:21:04	1335ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 09:59:19	3085ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 15:16:09	947ms	2 NS 2 A 1 MX	🔓 Insecure