rblkm.dk DNS records

🖥️ Nameservers5 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records2 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records1 records 105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rblkm-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::d 2a01:111:f403:ca48::8 52.101.181.153 52.101.68.15 52.101.68.3 52.101.73.1	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.24

🔷 AAAA Records (IPv6)2 records 77ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 245ms

TXT Record
MS=ms48915640
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rblkm.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 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)

🔐 DNSSEC167ms

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

🏷️ SOA0ms

Field	Value
Serial	2025035771
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

103ms

A

89ms

MX

105ms

AAAA

77ms

TXT

245ms

CAA

116ms

HTTPS

63ms

TLSA

664ms

SOA

0ms

MTA-STS

110ms

DNSSEC

167ms

SRV

134ms

Total

1612ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:50:11	1612ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-20 11:07:43	2026ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-14 02:08:27	1663ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-09 15:29:24	1506ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-08-03 09:50:54	3280ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-23 20:58:42	10164ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-18 13:48:42	9690ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-09 15:41:01	11935ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-03 10:41:58	1234ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-07-01 10:06:24	1452ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-30 17:35:36	1252ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-23 18:46:39	2084ms	5 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 00:21:42	1190ms	5 NS 2 A 1 MX	🔒 Secure	View