nerdery.dk DNS records

🖥️ Nameservers2 records 41ms

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 409ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.189.43.80	43199s	—	AS3292	TDC Holding A/S	94.189.0.0/17	🇩🇰 Denmark	—

📧 MX Records1 records 421ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nerdery-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 52.101.68.12 52.101.68.29 52.101.73.12 52.101.73.19	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	nerdery.dk → 94.189.43.80

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 227ms

TXT Record
MS=ms11633562
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nerdery.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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.nerdery.dk	nerdery.dk

🔗 TLSA / DANE

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

🔐 DNSSEC75ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

41ms

A

409ms

MX

421ms

AAAA

36ms

TXT

227ms

CAA

44ms

HTTPS

44ms

TLSA

949ms

SOA

0ms

MTA-STS

118ms

DNSSEC

75ms

SRV

126ms

Total

2345ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 20:27:24	2345ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 09:28:45	5216ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 11:31:10	1993ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:50:57	1138ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 23:04:47	1768ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:12:35	9769ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:37:14	1126ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 10:11:41	1660ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 08:33:56	14937ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:33:07	4665ms	0 NS 0 A 0 MX	🔒 Secure	View