room2room.dk

Records from scan: 2026-10-23 04:01:07 · 576ms total · last checked 2026-10-24 11:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

room2room.dk is a .dk domain served by 2 nameservers (greg.ns.cloudflare.com, rita.ns.cloudflare.com). It was registered on 12 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.4.57 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by room2room-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
greg.ns.cloudflare.com	108.162.193.115 172.64.33.115 173.245.59.115 2606:4700:58::adf5:3b73 2803:f800:50::6ca2:c173 2a06:98c1:50::ac40:2173	greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rita.ns.cloudflare.com	108.162.192.140 172.64.32.140 173.245.58.140 2606:4700:50::adf5:3a8c 2803:f800:50::6ca2:c08c 2a06:98c1:50::ac40:208c	rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.4.57	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.5.57	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.71.122	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	room2room-dk.mail.protection.outlook.com	52.101.79.112 52.101.79.114 52.101.80.148 52.101.80.150	mail-mm0p280cu01100.inbound.protection.outlook.com mail-mm0p280cu01202.inbound.protection.outlook.com mail-gvzp280cu01904.inbound.protection.outlook.com mail-gv3p280cu01406.inbound.protection.outlook.com	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)#

3 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:439	300s	—	AS13335	Cloudflare, Inc.	2606:4700:20:0:0:0:0:0/44	—	—
2606:4700:20::681a:539	300s	—	AS13335	Cloudflare, Inc.	2606:4700:20:0:0:0:0:0/44	—	—
2606:4700:20::ac43:477a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:20:0:0:0:0:0/44	—	—

🔐 HTTPS Records#

1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.26.4.57,104.26.5.57,172.67.71.122 ipv6hint=2606:4700:20::681a:439,2606:4700:20::681a:539,2606:4700:20::ac43:477a

🔌 SRV Records#

1 records 67ms

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

📝 TXT Records#

1 records 188ms

TXT Record
v=spf1 mx ip4:194.16.56.196 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (room2room.dk)
-all (hard fail)	v=spf1 mx ip4:194.16.56.196 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.room2room.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#

checked 2026-10-23 04:01:07

www	104.26.4.57 104.26.5.57 172.67.71.122 2606:4700:20::681a:439 2606:4700:20::681a:539 2606:4700:20::ac43:477a (AS13335) (address records, no CNAME)
www vs bare domain	Same network room2room.dk: 104.26.4.57 104.26.5.57 172.67.71.122 2606:4700:20::681a:439 (AS13335) www.room2room.dk: 104.26.4.57 104.26.5.57 172.67.71.122 2606:4700:20::681a:439 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-room2room-dk._domainkey.hestraonline.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-room2room-dk._domainkey.hestraonline.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

84ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2418112457
Primary NS (MNAME)	greg.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 04:17:47

Field	Value
Registrar	Abion AB
Registered	2015-06-12
Expires	2027-06-30 (248d)

🔗 Same registrant#

1 domain

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
hestra.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

22ms

39ms

43ms

AAAA

40ms

TXT

188ms

CAA

45ms

HTTPS

54ms

TLSA

78ms

SOA

45ms

MTA-STS

62ms

DNSSEC

84ms

SRV

67ms

Total

576ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 04:01:07 shown	576ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-17 01:01:44	1661ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-23 20:14:46	2155ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-16 01:51:00	10546ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-27 03:12:00	2990ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-26 03:16:34	938ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-20 06:30:10	3542ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-18 05:37:19	1551ms	2 NS 3 A 1 MX	🔓 Insecure