mailsend.dk

📜 Historical scan 2026-06-21 22:47:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mailsend.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.78.84 is hosted by Powernet Aps (AS205984) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.78.84	43200s	—	AS205984	Powernet Aps	185.51.78.0/23	🇩🇰 Denmark	—

📧 MX Records#

7 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c1c::1a	lt-in-f26.1e100.net la-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4000:1025::1a	lcdels-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	600s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4013:813::1a	lcbomp-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx3.googlemail.com	192.178.158.27 2404:6800:4003:c26::1a	lcdels-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx4.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	600s	aspmx5.googlemail.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mailsend.dk → 185.51.78.84
🔶 Autoconfig	mailsend.dk → 185.51.78.84

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 143ms

TXT Record
google-site-verification=jPEWovvKxyb5Z9F0jW3HediUHK32kWnLp-pSQTJ1Xik
v=spf1 mx a include:web.shared.mysmtp.com ~all

✉️ SPF#

Policy	Record (mailsend.dk)
~all (soft fail)	v=spf1 mx a include:web.shared.mysmtp.com ~all

📨 DMARC#

Policy	Record (_dmarc.mailsend.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:sf@it-magic.dk;

📬 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 2026-10-09 10:15:56

www CNAME	mailsend.dk (all on mailsend.dk) → 185.51.78.84 (AS205984)
www vs bare domain	Same network mailsend.dk: 185.51.78.84 (AS205984) www.mailsend.dk: 185.51.78.84 (AS205984)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.mailsend.dk	mailsend.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-15 21:43:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-12-07
Expires	2026-12-31 (74d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

36ms

37ms

39ms

AAAA

26ms

TXT

143ms

CAA

34ms

HTTPS

33ms

TLSA

61ms

SOA

38ms

MTA-STS

48ms

DNSSEC

53ms

SRV

57ms

Total

655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:15:56	1053ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-01 05:24:15	805ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-28 07:47:02	2869ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-23 07:21:19	1063ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-04 08:13:15	995ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-26 08:07:28	984ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-02 14:54:25	1200ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-24 02:30:19	1215ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-23 20:57:19	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 22:47:55 shown	655ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-17 13:48:54	2370ms	2 NS 1 A 7 MX	🔒 Secure