mcmbyg.dk

📜 Historical scan 2026-08-10 21:31:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mcmbyg.dk is a .dk domain served by 4 nameservers (helium.rapid.dev, hydrogen.rapid.dev, nitrogen.rapid.dev and 1 more). It was registered on 2 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.40.20.82 is hosted by Rapid Solutions ApS (AS214781) in United Kingdom. Mail is handled by mcmbyg-dk.mail.protection.outlook.com, in1-smtp.messagingengine.com and 1 more. The zone is DNSSEC-signed and validates, has no 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#

4 records 184ms

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 Records#

1 records 184ms

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 Records#

3 records 220ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mcmbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.3 52.101.68.32 52.101.73.2 52.101.73.28	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 185ms

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 Records#

2 records 653ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 17:55:04

www	NXDOMAIN
www vs bare domain	www does not resolve mcmbyg.dk: 82.40.20.82 2a0f:85c1:d9d::82 (AS214781) www.mcmbyg.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

337ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-05 15:54:27

Field	Value
Registrar	Rapid ApS
Registered	2023-07-02
Expires	2027-07-01 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

184ms

220ms

AAAA

185ms

TXT

653ms

CAA

95ms

HTTPS

85ms

TLSA

641ms

SOA

0ms

MTA-STS

232ms

DNSSEC

337ms

SRV

228ms

Total

10896ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:26:06	1893ms	4 NS 1 A 3 MX	🔒 Secure
2026-08-21 04:40:10	14300ms	4 NS 1 A 3 MX	🔒 Secure
2026-08-20 04:21:48	65535ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-17 15:32:58	2766ms	4 NS 1 A 3 MX	🔒 Secure
2026-08-16 15:04:12	65535ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-10 21:31:46 shown	10896ms	4 NS 1 A 3 MX	🔒 Secure
2026-08-06 03:17:36	65535ms	4 NS 0 A 0 MX	❓ Unknown
2026-06-27 14:21:08	5052ms	4 NS 1 A 3 MX	🔒 Secure
2026-06-21 13:17:58	1806ms	4 NS 1 A 3 MX	🔒 Secure
2026-06-18 12:45:08	6248ms	4 NS 1 A 3 MX	🔒 Secure
2026-06-18 06:42:13	6368ms	4 NS 1 A 3 MX	🔒 Secure