teebox.dk DNS records

🖥️ Nameservers2 records 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.85	3600s	linux34.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records7 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	aspmx.l.google.com	2a00:1450:400c:c1f::1a 74.125.133.26	wi-in-f26.1e100.net wo-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 354ms

TXT Record
v=spf1 include:spf.onlinemail.io -all
v=spf1 ip4:213.184.85.14 include:_relayspf.hosting4real.net +a +mx +ip4:213.184.85.10 include:_spf.google.com ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (teebox.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all
~all (soft fail)	v=spf1 ip4:213.184.85.14 include:_relayspf.hosting4real.net +a +mx +ip4:213.184.85.10 include:_spf.google.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
TXT	_acme-challenge.teebox.dk	m_oE9qD_CDqH0CmRfjPkLA34ccWSbru7V_wD68s_USs

🔗 TLSA / DANE

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

🔐 DNSSEC230ms

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

🏷️ SOA87ms

Field	Value
Serial	2024102201
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

82ms

A

81ms

MX

77ms

AAAA

78ms

TXT

354ms

CAA

85ms

HTTPS

83ms

TLSA

132ms

SOA

87ms

MTA-STS

123ms

DNSSEC

230ms

SRV

153ms

Total

1503ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 17:43:08	1297ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-26 14:57:42	938ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 15:43:20	1503ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-17 13:28:59	3595ms	2 NS 1 A 7 MX	🔒 Secure	View