checkmate.dk

📜 Historical scan 2026-10-07 10:39:29 · ← 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) 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 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 91ms

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 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.98	600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
172.66.0.96	600s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	🇺🇸 United States	—

📧 MX Records#

5 records 135ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	1569s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1569s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1569s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1569s	alt3.aspmx.l.google.com	192.179.20.26 2404:6800:4000:1027::1b	ncboms-in-f26.1e100.net ncboms-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1569s	alt4.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-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)#

2 records 135ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::60	600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇸🇦 Saudi Arabia	Riyadh
2a06:98c1:58::60	600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:58:0:0:0:0:0/47	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 170ms

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

📝 TXT Records#

2 records 270ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_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 CNAME	checkmate-2025-spszf.ondigitalocean.app (all on ondigitalocean.app) → 162.159.140.98 172.66.0.96 2606:4700:7::60 2a06:98c1:58::60 (AS13335)
www vs bare domain	Same network checkmate.dk: 162.159.140.98 172.66.0.96 2606:4700:7::60 2a06:98c1:58::60 (AS13335) www.checkmate.dk: 162.159.140.98 172.66.0.96 2606:4700:7::60 2a06:98c1:58::60 (AS13335)
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

🔎 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#

234ms

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

🏷️ SOA#

67ms

Field	Value
Serial	2026100600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

91ms

131ms

135ms

AAAA

135ms

TXT

270ms

CAA

97ms

HTTPS

80ms

TLSA

579ms

SOA

67ms

MTA-STS

155ms

DNSSEC

234ms

SRV

170ms

Total

2836ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:58:48	777ms	4 NS 2 A 5 MX	🔒 Secure
2026-10-07 10:39:29 shown	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	813ms	4 NS 2 A 5 MX	🔒 Secure