guestbox.dk DNS records

🖥️ Nameservers2 records 38ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.180	43200s	vm0880.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	guestbox-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::c 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.103.140 52.101.68.8 52.101.73.123 52.101.73.2	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40
🔶 Autoconfig	guestbox.dk → 185.21.42.180

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 206ms

TXT Record
google-site-verification=UhwcpR88npzOr9fbh_3FR_BPlLs4QCDTsHlLGrZ9WSc
MS=ms44386049
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.guestbox.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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
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

38ms

A

49ms

MX

43ms

AAAA

42ms

TXT

206ms

CAA

68ms

HTTPS

50ms

TLSA

309ms

SOA

0ms

MTA-STS

61ms

DNSSEC

101ms

SRV

71ms

Total

1118ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 00:01:09	1118ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 14:56:42	941ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 10:18:41	3785ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 22:17:55	1649ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 17:02:02	9214ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:46:15	1122ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:44:33	776ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:42:44	1282ms	2 NS 1 A 1 MX	🔒 Secure	View