masm.dk

📜 Historical scan 2026-09-22 21:07:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

masm.dk is a .dk domain served by 2 nameservers (dell.ns.cloudflare.com, sergi.ns.cloudflare.com). It was registered on 4 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.87.234 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by eu1-smtp.messagingengine.com, eu2-smtp.messagingengine.com. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
dell.ns.cloudflare.com	108.162.192.94 172.64.32.94 173.245.58.94 2606:4700:50::adf5:3a5e 2803:f800:50::6ca2:c05e 2a06:98c1:50::ac40:205e	dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sergi.ns.cloudflare.com	108.162.195.68 162.159.44.68 172.64.35.68 2606:4700:58::a29f:2c44 2803:f800:50::6ca2:c344 2a06:98c1:50::ac40:2344	sergi.ns.cloudflare.com sergi.ns.cloudflare.com sergi.ns.cloudflare.com sergi.ns.cloudflare.com sergi.ns.cloudflare.com sergi.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.148.107	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	eu1-smtp.messagingengine.com	204.75.18.216 204.75.18.217	ams-mx-01.messagingengine.com ams-mx-02.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	eu2-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

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:946b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:57ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.234,172.67.148.107 ech=AEX+DQBBYgAgACAC5p6ULegA+UdBgLplJqGFjcLCkLyWCN6wydgWlzqGVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:946b,2606:4700:3033::6815:57ea

📝 TXT Records#

1 records 160ms

TXT Record
v=spf1 include:spf.messagingengine.com ?all

✉️ SPF#

Policy	Record (masm.dk)
?all (neutral)	v=spf1 include:spf.messagingengine.com ?all

📨 DMARC#

Policy	Record (_dmarc.masm.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:8d5cfe5af51847b5acd26569de6f1411@dmarc-reports.cloudflare.net; pct=100

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records 33ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	sectigo.com
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 01:16:29

www	104.21.87.234 172.67.148.107 2606:4700:3031::ac43:946b 2606:4700:3033::6815:57ea (AS13335) (address records, no CNAME)
www vs bare domain	Same network masm.dk: 104.21.87.234 172.67.148.107 2606:4700:3031::ac43:946b 2606:4700:3033::6815:57ea (AS13335) www.masm.dk: 104.21.87.234 172.67.148.107 2606:4700:3031::ac43:946b 2606:4700:3033::6815:57ea (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: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415440369
Primary NS (MNAME)	dell.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 13:08:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-01-04
Expires	2027-01-03 (76d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

34ms

49ms

AAAA

36ms

TXT

160ms

CAA

33ms

HTTPS

37ms

TLSA

274ms

SOA

0ms

MTA-STS

65ms

DNSSEC

104ms

SRV

65ms

Total

1179ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 01:16:29	1785ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-09 19:42:48	1029ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-07 12:50:19	701ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-22 21:07:58 shown	1179ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-17 23:04:48	2817ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-08 07:27:44	1491ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-01 05:24:06	1536ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-22 21:54:27	11382ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-17 16:17:20	2096ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-08 14:19:25	1826ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-23 03:46:03	2302ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-06 23:13:20	1655ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-03 15:48:43	2895ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 01:33:03	1462ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-18 14:53:48	1265ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 19:38:34	901ms	2 NS 2 A 2 MX	🔒 Secure