vonholmback.dk DNS records

🖥️ Nameservers2 records 39ms

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 Records3 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.145	43200s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	43200s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	43200s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	vonholmback-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.68.16 52.101.68.18 52.101.68.32 52.101.73.12	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 146ms

TXT Record
MS=ms77104186
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.vonholmback.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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)

🔐 DNSSEC92ms

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

🏷️ SOA53ms

Field	Value
Serial	2026080801
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

39ms

A

33ms

MX

40ms

AAAA

59ms

TXT

146ms

CAA

45ms

HTTPS

45ms

TLSA

325ms

SOA

53ms

MTA-STS

79ms

DNSSEC

92ms

SRV

57ms

Total

5402ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 16:57:41	5402ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-09 04:07:49	3056ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-13 07:59:16	1065ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-27 15:38:47	1070ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-17 13:13:31	1000ms	2 NS 3 A 1 MX	🔒 Secure	View