a1performance.dk

Records from scan: 2026-09-30 08:06:50 · 849ms total · last checked 2026-10-17 22:00 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a1performance.dk is a .dk domain served by 2 nameservers (ns1.register.it, ns2.register.it). It was registered on 21 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.125.172.46 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.register.it	2a01:8100:2911::2:184:2 81.88.61.2	— host-81-88-61-2.dedicatedservers.it	AS39729 Register S.p.A. AS39729 Register S.p.A.
ns2.register.it	195.7.227.1 2a00:13b0:2::227:1	ns2.register.it —	AS8622 Team Blue Internet Services Uk Limited AS8622 Team Blue Internet Services Uk Limited

🌍 A Records#

2 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.125.172.46	3600s	ec2-3-125-172-46.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main
3.73.27.108	3600s	ec2-3-73-27-108.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.64.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 381ms

TXT Record
v=spf1 include:spf.simply.com include:spfuser.webnode.com ~all

✉️ SPF#

Policy	Record (a1performance.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:spfuser.webnode.com ~all

📨 DMARC#

Policy	Record (_dmarc.a1performance.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#

checked 2026-10-08 16:01:09

www CNAME	personlig-traener-df7b3c.webnode.dk (all on webnode.dk) → 18.185.25.67 3.79.173.192 (AS16509)
www vs bare domain	Same network a1performance.dk: 3.125.172.46 3.73.27.108 (AS16509) www.a1performance.dk: 18.185.25.67 3.79.173.192 (AS16509)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

3 records 219ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

66ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026050517
Primary NS (MNAME)	ns1.register.it
Responsible (RNAME)	hostmaster@register.it
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-08 00:41:33

Field	Value
Registrar	Realtime Register B.V.
Registered	2026-03-21
Expires	2027-03-20 (153d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

52ms

49ms

AAAA

48ms

TXT

381ms

CAA

59ms

HTTPS

66ms

TLSA

219ms

SOA

0ms

MTA-STS

92ms

DNSSEC

66ms

SRV

102ms

Total

849ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 08:06:50 shown	849ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 12:26:11	2574ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 04:33:52	24826ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 10:52:07	1097ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:15:09	2611ms	2 NS 2 A 1 MX	🔓 Insecure