byco.dk DNS records

🖥️ Nameservers3 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.103.46.102	7200s	server6102.serverpark.dk	AS44869	FIBIA P/S	5.103.0.0/16	🇩🇰 Denmark	Ringsted

📧 MX Records7 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	ASPMX.L.GOOGLE.COM	2a00:1450:4010:c1c::1b 64.233.162.27	la-in-f27.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	7200s	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
20	7200s	ALT2.ASPMX.L.GOOGLE.COM	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	7200s	ASPMX2.GOOGLEMAIL.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
30	7200s	ASPMX3.GOOGLEMAIL.COM	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	7200s	ASPMX4.GOOGLEMAIL.COM	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	7200s	ASPMX5.GOOGLEMAIL.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	5.103.46.102
🔶 Autoconfig	5.103.46.102

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 450ms

TXT Record
v=spf1 a mx include:_spf.serverpark.dk ~all

✉️ SPF

Policy	Record (byco.dk)
~all (soft fail)	v=spf1 a mx include:_spf.serverpark.dk ~all

📨 DMARC

Policy	Record (_dmarc.byco.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC112ms

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

🏷️ SOA0ms

Field	Value
Serial	2012103313
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

65ms

MX

65ms

AAAA

68ms

TXT

450ms

CAA

80ms

HTTPS

71ms

TLSA

137ms

SOA

0ms

MTA-STS

140ms

DNSSEC

112ms

SRV

153ms

Total

1299ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:49:41	1299ms	3 NS 1 A 7 MX	🔒 Secure	View
2026-08-26 16:54:37	9722ms	3 NS 1 A 7 MX	🔒 Secure	View
2026-08-25 18:31:03	1410ms	3 NS 1 A 7 MX	🔒 Secure	View
2026-06-28 16:40:37	1192ms	3 NS 1 A 7 MX	🔒 Secure	View
2026-06-27 11:00:39	1910ms	3 NS 1 A 7 MX	🔒 Secure	View
2026-06-26 09:02:26	1008ms	3 NS 1 A 7 MX	🔒 Secure	View
2026-06-16 18:05:04	991ms	3 NS 1 A 7 MX	🔒 Secure	View