checkmate.dk

📜 Historical scan 2026-06-16 20:25:23  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

checkmate.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.98 is hosted by Cloudflare, Inc. (AS13335). 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 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   113ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —

🌍 A Records#

2 records   97ms
IPTTLPTRASNISP / OrgCIDRCountryCity
162.159.140.98 — — AS13335 Cloudflare, Inc. 162.159.128.0/19 — —
172.66.0.96 — — AS13335 Cloudflare, Inc. 172.66.0.0/22 — —

📧 MX Records#

5 records   118ms
PriorityTTLMail ServerIP addressesPTRASN
1 — aspmx.l.google.com 108.177.14.26 lt-in-f26.1e100.net AS15169 Google LLC
5 — alt1.aspmx.l.google.com 192.178.158.27 lcdels-in-f27.1e100.net AS15169 Google LLC
5 — alt2.aspmx.l.google.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
10 — alt3.aspmx.l.google.com 172.253.152.27 yulpptr-in-f27.1e100.net AS15169 Google LLC
10 — alt4.aspmx.l.google.com 108.177.125.26 tp-in-f26.1e100.net AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   104ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:7::60 — — AS13335 Cloudflare, Inc. 2606:4700:0:0:0:0:0:0/43 🇺🇸 United States San Francisco
2a06:98c1:58::60 — — AS13335 Cloudflare, Inc. 2a06:98c1:58:0:0:0:0:0/47 🇺🇸 United States —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   235ms
TXT Record
google-site-verification=gQdZgN_jsG0HlkKEHKWcRkVbiiM0eTeQg0YzHmzzKz0
v=spf1 include:_spf.google.com include:emsd1.com ~all

✉️ SPF#

PolicyRecord (checkmate.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:emsd1.com ~all

📨 DMARC#

PolicyRecord (_dmarc.checkmate.dk)
p=none (monitor only) v=DMARC1; p=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 2026-10-07 17:58:48
www CNAMEcheckmate-2025-spszf.ondigitalocean.app (all on ondigitalocean.app)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

254ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

110ms
FieldValue
Serial2026060200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
113ms
A
97ms
MX
118ms
AAAA
104ms
TXT
235ms
CAA
117ms
HTTPS
102ms
TLSA
90ms
SOA
110ms
MTA-STS
57ms
DNSSEC
254ms
SRV
0ms
Total
813ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 17:58:48 777ms 4 NS 2 A 5 MX 🔒 Secure
2026-10-07 10:39:29 2836ms 4 NS 2 A 5 MX 🔒 Secure
2026-10-01 03:52:15 2272ms 4 NS 2 A 5 MX 🔒 Secure
2026-09-30 03:43:08 560ms 4 NS 2 A 5 MX 🔒 Secure
2026-08-26 19:46:41 892ms 4 NS 2 A 5 MX 🔒 Secure
2026-06-28 07:54:51 863ms 4 NS 2 A 5 MX 🔒 Secure
2026-06-26 10:31:58 843ms 4 NS 2 A 5 MX 🔒 Secure
2026-06-16 20:25:23 shown 813ms 4 NS 2 A 5 MX 🔒 Secure
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