rmb-1988.dk

📜 Historical scan 2026-06-17 22:14:44 · ← 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 62ms

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 54ms

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

📧 MX Records#

3 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	rmb1988-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.21 52.101.73.11 52.101.73.19	mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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	—	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	—	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.61.110
🔶 Autoconfig	104.21.61.110

🔷 AAAA Records (IPv6)#

2 records 67ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::9	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::9	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.110,172.67.209.84 ech=AEX+DQBBnAAgACBeRsiogButg1cXG+B47GvAtSqi3Ug1C0cFugeMjxDaMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d154,2606:4700:3037::6815:3d6e

📝 TXT Records#

1 records 197ms

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#

59ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2406441400
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 2026-10-05 07:57:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-01-24
Expires	2027-01-31 (97d)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

54ms

36ms

AAAA

67ms

TXT

197ms

CAA

81ms

HTTPS

48ms

TLSA

150ms

SOA

37ms

MTA-STS

37ms

DNSSEC

59ms

SRV

68ms

Total

1028ms

🕐 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	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 shown	1028ms	2 NS 2 A 3 MX	🔒 Secure