mcmbyg.dk DNS records

🖥️ Nameservers4 records 338ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.rapid.dev	2a0f:85c1:d9d::55 82.40.20.55	— —	AS214781 Rapid Solutions ApS AS214781 Rapid Solutions ApS
hydrogen.rapid.dev	2a0f:85c1:d9d::53 82.40.20.53	— —	AS214781 Rapid Solutions ApS AS214781 Rapid Solutions ApS
nitrogen.rapid.dev	2a0f:85c1:d9d::56 82.40.20.56	— —	AS214781 Rapid Solutions ApS AS214781 Rapid Solutions ApS
oxygen.rapid.dev	2a0f:85c1:d9d::54 82.40.20.54	— —	AS214781 Rapid Solutions ApS AS214781 Rapid Solutions ApS

🌍 A Records1 records 248ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.40.20.82	3600s	—	AS214781	Rapid Solutions ApS	82.40.20.0/24	🇬🇧 United Kingdom	Halifax

📧 MX Records3 records 261ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mcmbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca09::3 2a01:111:f403:ca09::e 52.101.68.32 52.101.68.8 52.101.73.1 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00306.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	3600s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	3600s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)1 records 277ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0f:85c1:d9d::82	3600s	—	AS214781	Rapid Solutions ApS	2a0f:85c1:d9d:0:0:0:0:0/48	🇬🇧 United Kingdom	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 764ms

TXT Record
MS=ms91792961
v=spf1 include:spf.messagingengine.com include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC628ms

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

🏷️ SOA0ms

Field	Value
Serial	2026051204
Primary NS (MNAME)	hydrogen.rapid.dev
Responsible (RNAME)	hostmaster@rapid.dev
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

338ms

A

248ms

MX

261ms

AAAA

277ms

TXT

764ms

CAA

244ms

HTTPS

340ms

TLSA

1455ms

SOA

0ms

MTA-STS

517ms

DNSSEC

628ms

SRV

259ms

Total

14300ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 04:40:10	14300ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-20 04:21:48	65535ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-17 15:32:58	2766ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-16 15:04:12	65535ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 21:31:46	10896ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-06 03:17:36	65535ms	4 NS 0 A 0 MX	❓ Unknown	View
2026-06-27 14:21:08	5052ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 13:17:58	1806ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 12:45:08	6248ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 06:42:13	6368ms	4 NS 1 A 3 MX	🔒 Secure	View