rmb-1988.dk

📜 Historical scan 2026-09-13 16:55:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rmb-1988.dk is a .dk domain served by 2 nameservers (ricardo.ns.cloudflare.com, sofia.ns.cloudflare.com). It was registered on 24 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.110 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by rmb1988-dk0i.mail.protection.outlook.com, mx1.onlinemail.io and 1 more. The zone is DNSSEC-signed and validates, 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 122ms

Nameserver	IP addresses	PTR	ASN / ISP
ricardo.ns.cloudflare.com	108.162.195.211 162.159.44.211 172.64.35.211 2606:4700:58::a29f:2cd3 2803:f800:50::6ca2:c3d3 2a06:98c1:50::ac40:23d3	ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com ricardo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sofia.ns.cloudflare.com	108.162.192.223 172.64.32.223 173.245.58.223 2606:4700:50::adf5:3adf 2803:f800:50::6ca2:c0df 2a06:98c1:50::ac40:20df	sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.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 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.110	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.84	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rmb1988-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::a 52.101.185.114 52.101.185.21 52.101.68.10 52.101.68.15	mail-dbapr03cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.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
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.209.84
🔶 Autoconfig	104.21.61.110

🔷 AAAA Records (IPv6)#

2 records 107ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:3d6e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d154	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 100ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.110,172.67.209.84 ech=AEX+DQBB9AAgACCyXlHZUJbMSGmlcPrA4vxdsVYrWfi6WTnjXtySBIjNVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3d6e,2606:4700:3035::ac43:d154

📝 TXT Records#

1 records 266ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (rmb-1988.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.rmb-1988.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:ce7176f873154ccd833c46c4e4dced41@dmarc-reports.cloudflare.net

📬 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 2026-10-09 08:07:45

www	104.21.61.110 172.67.209.84 2606:4700:3033::6815:3d6e 2606:4700:3035::ac43:d154 (AS13335) (address records, no CNAME)
www vs bare domain	Same network rmb-1988.dk: 104.21.61.110 172.67.209.84 2606:4700:3033::6815:3d6e 2606:4700:3035::ac43:d154 (AS13335) www.rmb-1988.dk: 104.21.61.110 172.67.209.84 2606:4700:3033::6815:3d6e 2606:4700:3035::ac43:d154 (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

🔎 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#

150ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414441130
Primary NS (MNAME)	ricardo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-26 12:30:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-01-24
Expires	2027-01-31 (95d)

🔗 Same registrant#

2 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
hydrocephalus.dk	Punktum dk A/S (direct)
rygmarvsbrokforeningen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

122ms

92ms

97ms

AAAA

107ms

TXT

266ms

CAA

90ms

HTTPS

100ms

TLSA

509ms

SOA

0ms

MTA-STS

158ms

DNSSEC

150ms

SRV

208ms

Total

1812ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 07:36:22	1354ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-04 07:26:59	2180ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-01 07:17:52	1066ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-24 22:35:13	1194ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-23 22:03:31	2107ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-13 16:55:07 shown	1812ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-27 20:17:49	1092ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-26 03:52:45	1006ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-17 11:09:28	4608ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-09 03:21:44	1755ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-26 08:19:19	9438ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-24 07:12:15	2439ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-01 02:39:50	1498ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-20 06:41:56	1173ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 22:14:44	1028ms	2 NS 2 A 3 MX	🔒 Secure