christofferdall.dk DNS records

🖥️ Nameservers2 records 235ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.15.71.225	43200s	225-71-15-51.instances.scw.cloud	AS12876	Scaleway SAS	51.15.0.0/16	🇳🇱 The Netherlands	Haarlem

📧 MX Records2 records 262ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	christofferdall.dk → 51.15.71.225
🔶 Autoconfig	christofferdall.dk → 51.15.71.225

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 880ms

TXT Record
google-site-verification=EGba0vmPTRtn1OlepNia-pBv-RoL9_SnzAH3RkbTdKU
v=spf1 include:spf.improvmx.com ~all

✉️ SPF

Policy	Record (christofferdall.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.christofferdall.dk	christofferdall.dk

🔗 TLSA / DANE

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

🔐 DNSSEC696ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

235ms

A

188ms

MX

262ms

AAAA

289ms

TXT

880ms

CAA

199ms

HTTPS

258ms

TLSA

283ms

SOA

0ms

MTA-STS

496ms

DNSSEC

696ms

SRV

358ms

Total

8304ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 07:16:45	8304ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-19 07:44:26	3515ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-14 23:00:42	1602ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 03:39:05	2877ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 15:29:49	961ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 18:09:55	746ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 01:35:18	2120ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 20:45:26	777ms	2 NS 1 A 2 MX	🔒 Secure	View