beierholm-revisortrainee.dk DNS records

🖥️ Nameservers2 records 52ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.54.91.64	900s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	beierholm-revisortrainee.dk → 20.54.91.64
🔶 Autoconfig	beierholm-revisortrainee.dk → 20.54.91.64

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 218ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (beierholm-revisortrainee.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.beierholm-revisortrainee.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:5jkgceda@ag.eu.dmarcadvisor.com;ruf=mailto:5jkgceda@fr.eu.dmarcadvisor.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.beierholm-revisortrainee.dk	beierholm-revisortrainee.dk

🔗 TLSA / DANE

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

🔐 DNSSEC117ms

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

🏷️ SOA0ms

Field	Value
Serial	2021055547
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	dns@beierholm.dk
Refresh	14400s
Retry	1440s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

57ms

MX

75ms

AAAA

86ms

TXT

218ms

CAA

75ms

HTTPS

63ms

TLSA

65ms

SOA

0ms

MTA-STS

112ms

DNSSEC

117ms

SRV

104ms

Total

664ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:55:20	664ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-14 07:28:12	4754ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-08 16:06:12	8634ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-06 11:47:45	8881ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-03 14:37:56	8699ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-01 22:26:19	1408ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-31 17:50:07	785ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-29 23:03:36	2536ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-27 18:39:25	8604ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-26 18:09:28	850ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-25 17:54:00	970ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-24 16:51:32	8535ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-23 15:56:26	948ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-22 13:08:32	827ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-21 09:57:45	9574ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-20 08:24:55	802ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-19 05:23:36	2283ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-18 03:12:22	16656ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-16 12:36:43	832ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-13 06:35:31	875ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-08 13:23:04	942ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-05 18:38:03	1296ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-04 12:51:03	1116ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-03 10:16:49	751ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-30 00:07:14	699ms	2 NS 1 A 0 MX	🔓 Insecure	View