webmasterco.dk

📜 Historical scan 2026-06-20 12:25:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

webmasterco.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 26 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 100.24.208.97 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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#

4 records 193ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 573ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
100.24.208.97	3600s	staticip2.multiscreensite.com	AS14618	Amazon.com, Inc.	100.24.0.0/13	🇺🇸 United States	Ashburn
35.172.94.1	3600s	staticip.multiscreensite.com	AS14618	Amazon.com, Inc.	35.168.0.0/13	🇺🇸 United States	Ashburn

📧 MX Records#

5 records 169ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:400c:c0a::1b 2a00:1450:400c:c0a::1b 74.125.71.26	wl-in-x1b.1e100.net wl-in-f27.1e100.net wn-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.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
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 499ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

4 records 1867ms

TXT Record
google-site-verification=dpYH6WjrZtgAYLy2sqHRXdTbzRr05AcosNAbtAMmopU
google-site-verification=hoeyIqkv_qv-lQvNT5bK3o-Q9mLm87Wnmll_hjGHXbQ
google-site-verification=xaxNmhWYXvM1Q9gpxRoKUbKKJm5DOQp2cnZPlGamfNQ
v=spf1 include:_spf.mlsend.com include:sendgrid.net ~all include:_spf.google.com

✉️ SPF#

Policy	Record (webmasterco.dk)
~all (soft fail)	v=spf1 include:_spf.mlsend.com include:sendgrid.net ~all include:_spf.google.com

📨 DMARC#

Policy	Record (_dmarc.webmasterco.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@webmasterco.dk; pct=90; sp=none

📬 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 2026-10-13 03:15:42

www CNAME	s.multiscreensite.com (all on multiscreensite.com) → 13.248.175.166 76.223.58.8 (AS16509)
www vs bare domain	Different networks webmasterco.dk: 100.24.208.97 35.172.94.1 (AS14618) www.webmasterco.dk: 13.248.175.166 76.223.58.8 (AS16509) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1109ms

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

🏷️ SOA#

577ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 06:24:11

Field	Value
Registrar	Simply.com A/S
Registered	2020-03-26
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

193ms

573ms

169ms

AAAA

176ms

TXT

1867ms

CAA

190ms

HTTPS

140ms

TLSA

941ms

SOA

577ms

MTA-STS

240ms

DNSSEC

1109ms

SRV

499ms

Total

10017ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 18:07:17	762ms	4 NS 2 A 5 MX	🔒 Secure
2026-09-24 16:27:36	622ms	4 NS 2 A 5 MX	🔒 Secure
2026-09-03 05:01:07	1008ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-20 12:25:21 shown	10017ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-17 11:31:51	944ms	4 NS 2 A 5 MX	🔒 Secure