trundfri.dk DNS records

🖥️ Nameservers2 records 54ms

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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.204	3600s	linux27.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records7 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	lb-in-f26.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.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 137ms

TXT Record
v=spf1 +a +mx +ip4:35.214.184.173 include:_spf.google.com include:servers.mcsv.net include:trundfri.dk.spf.auto.dnssmarthost.net ~all
v=spf1 include:spf.onlinemail.io -all

✉️ SPF

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

Policy	Record (trundfri.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:35.214.184.173 include:_spf.google.com include:servers.mcsv.net include:trundfri.dk.spf.auto.dnssmarthost.net ~all
-all (hard fail)	v=spf1 include:spf.onlinemail.io -all

📨 DMARC

Policy	Record (_dmarc.trundfri.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=r; adkim=r;

📬 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)

🔐 DNSSEC2073ms

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

🏷️ SOA50ms

Field	Value
Serial	2025041401
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

54ms

A

60ms

MX

55ms

AAAA

48ms

TXT

137ms

CAA

44ms

HTTPS

42ms

TLSA

146ms

SOA

50ms

MTA-STS

56ms

DNSSEC

2073ms

SRV

76ms

Total

2881ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 13:22:06	2881ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-25 19:13:02	2370ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-21 05:43:14	651ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-21 02:50:46	2608ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-20 23:57:12	1051ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:24:16	4839ms	2 NS 1 A 7 MX	🔒 Secure	View