zacker.dk DNS records

🖥️ Nameservers2 records 42ms

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 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records7 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 64.233.162.27	lr-in-x1a.1e100.net lr-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4008:c01::1a	so-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:400b:c01b::1a	tp-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	zacker.dk → 195.47.247.18
🔶 Autoconfig	zacker.dk → 195.47.247.18

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 169ms

TXT Record
google-site-verification=FAESxAkGKuYTVvs_WpCunO1ImN7THNtOa-p5YrpG4Pw
v=spf1 include:amazonses.com include:_spf.google.com include:sendgrid.net ~all

✉️ SPF

Policy	Record (zacker.dk)
~all (soft fail)	v=spf1 include:amazonses.com include:_spf.google.com include:sendgrid.net ~all

📨 DMARC

Policy	Record (_dmarc.zacker.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:webmaster@zacker.dk; ruf=mailto:webmaster@zacker.dk; fo=1

📬 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)

🔐 DNSSEC73ms

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

🏷️ SOA37ms

Field	Value
Serial	2026061201
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

42ms

A

78ms

MX

40ms

AAAA

55ms

TXT

169ms

CAA

40ms

HTTPS

41ms

TLSA

61ms

SOA

37ms

MTA-STS

52ms

DNSSEC

73ms

SRV

100ms

Total

825ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 01:20:59	1601ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-18 15:15:06	17474ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-14 02:44:52	1304ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-11 13:45:49	1709ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-09 23:26:27	1291ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-22 03:25:05	825ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-18 02:06:29	998ms	2 NS 1 A 7 MX	🔒 Secure	View