rlb.dk DNS records

🖥️ Nameservers3 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
blue.foundationdns.com	108.162.198.1 162.159.60.1 172.64.40.1 2606:4700:57::6ca2:c601 2803:f800:52::a29f:3c01 2a06:98c1:56::ac40:2801	blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com blue.foundationdns.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.net	108.162.198.31 162.159.60.31 172.64.40.31 2606:4700:57::6ca2:c61f 2803:f800:52::a29f:3c1f 2a06:98c1:56::ac40:281f	blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net blue.foundationdns.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
blue.foundationdns.org	108.162.198.61 162.159.60.61 172.64.40.61 2606:4700:57::6ca2:c63d 2803:f800:52::a29f:3c3d 2a06:98c1:56::ac40:283d	blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org blue.foundationdns.org	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.101.90.96	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.97	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.98	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.99	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—

📧 MX Records1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rlb-dk.mail.protection.outlook.com	2a01:111:f403:ca09::c 2a01:111:f403:ca48::8 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.103.137 52.101.68.5 52.101.73.1 52.101.73.24	mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.98.16.23

🔷 AAAA Records (IPv6)4 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3200::90:0	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:2	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=141.101.90.96,141.101.90.97,141.101.90.98,141.101.90.99 ipv6hint=2a06:98c1:3200::90:0,2a06:98c1:3200::90:1,2a06:98c1:3200::90:2,2a06:98c1:3200::90:3

📝 TXT Records2 records 237ms

TXT Record
MS=ms28865236
v=spf1 a mx include:_spfsmtp.bankdata.dk ip4:193.162.109.0/24 ip4:52.178.110.48 include:spf.protection.outlook.com include:mailmailmail.net -all

✉️ SPF

Policy	Record (rlb.dk)
-all (hard fail)	v=spf1 a mx include:_spfsmtp.bankdata.dk ip4:193.162.109.0/24 ip4:52.178.110.48 include:spf.protection.outlook.com include:mailmailmail.net -all

📨 DMARC

Policy	Record (_dmarc.rlb.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:mailauth-reports@bankdata.dk,mailto:7oaxn8uv@ag.eu.dmarcadvisor.com; ruf=mailto:7oaxn8uv@fr.eu.dmarcadvisor.com; fo=1

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC177ms

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

🏷️ SOA0ms

Field	Value
Serial	2413088704
Primary NS (MNAME)	blue.foundationdns.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

72ms

MX

72ms

AAAA

65ms

TXT

237ms

CAA

92ms

HTTPS

48ms

TLSA

227ms

SOA

0ms

MTA-STS

102ms

DNSSEC

177ms

SRV

102ms

Total

1031ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 22:59:56	1031ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-08-21 19:54:47	3545ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-08-13 17:08:18	2032ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-08-07 20:04:15	2780ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-07-08 19:55:03	3195ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-07-03 17:35:11	3303ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-25 12:57:00	2121ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-18 04:23:30	1306ms	3 NS 4 A 1 MX	🔒 Secure	View