gerstenbergconsulting.dk DNS records

🖥️ Nameservers2 records 84ms

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 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.61	3600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	gerstenbergconsulting-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::24 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.21 52.101.73.145 52.101.73.30 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 91ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:80e9:ae87:2591:a8bb	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 227ms

TXT Record
MS=ms14042826
Sendinblue-code:8efe8de52fd2fe3fb80334b67fd1b878
v=spf1 a mx include:spf.protection.outlook.com include:spf.sendinblue.com ~all

✉️ SPF

Policy	Record (gerstenbergconsulting.dk)
~all (soft fail)	v=spf1 a mx include:spf.protection.outlook.com include:spf.sendinblue.com ~all

📨 DMARC

Policy	Record (_dmarc.gerstenbergconsulting.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC2105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
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

84ms

A

63ms

MX

39ms

AAAA

91ms

TXT

227ms

CAA

42ms

HTTPS

48ms

TLSA

607ms

SOA

0ms

MTA-STS

67ms

DNSSEC

2105ms

SRV

77ms

Total

3348ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 20:32:48	3348ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 05:26:03	2875ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 08:23:34	8997ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 23:19:23	5281ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 14:50:23	1198ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 18:07:38	8246ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:00:39	1730ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 04:14:47	1103ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 14:07:52	984ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 08:43:57	949ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 03:47:49	3244ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:26:26	1067ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:24:37	857ms	2 NS 1 A 1 MX	🔒 Secure	View