masterslave.dk

📜 Historical scan 2026-06-25 02:26:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

masterslave.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.107.70 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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#

3 records 40ms

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

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.107.70	3600s	linux32.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4010:c08::1a 2a00:1450:4010:c08::1a	rd-in-f27.1e100.net lg-in-x1a.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4013:813::1a	lcbomp-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:4008:c01::1b	yunrtab-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.107.70
🔶 Autoconfig	94.231.107.70

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 154ms

TXT Record
brevo-code:81e0814a71a07f7a7713c02658060dcb
google-site-verification=0Wu1gyP00pAoIDj742hNBWSIluXFcUY-EUTWvNg9tac
mailerlite-domain-verification=2458e33198793d27b5a048b0b80b29b4c83adce0
v=spf1 a mx include:_spf.google.com include:spf.simply.com include:_spf.mlsend.com ~all

✉️ SPF#

Policy	Record (masterslave.dk)
~all (soft fail)	v=spf1 a mx include:_spf.google.com include:spf.simply.com include:_spf.mlsend.com ~all

📨 DMARC#

Policy	Record (_dmarc.masterslave.dk)
p=none (monitor only)	v=DMARC1; p=none;
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 2026-10-14 00:12:28

www	94.231.107.70 (AS48854) (address records, no CNAME)
www vs bare domain	Same network masterslave.dk: 94.231.107.70 (AS48854) www.masterslave.dk: 94.231.107.70 (AS48854)
Wildcard	Yes: any name under the zone resolves
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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2026050701
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 2026-10-12 23:48:46

Field	Value
Registrar	Simply.com A/S
Registered	2025-09-28
Expires	2027-09-27 (341d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

31ms

AAAA

39ms

TXT

154ms

CAA

33ms

HTTPS

41ms

TLSA

51ms

SOA

60ms

MTA-STS

62ms

DNSSEC

82ms

SRV

90ms

Total

712ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 00:12:28	4694ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-12 23:30:38	718ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-03 07:34:27	711ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-24 05:47:21	695ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-26 12:16:52	843ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-25 02:26:27 shown	712ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-24 05:18:26	759ms	3 NS 1 A 5 MX	⚠️ Bogus
2026-06-18 04:32:11	867ms	3 NS 1 A 5 MX	🔒 Secure