reltech.dk DNS records

🖥️ Nameservers2 records 53ms

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 Records4 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.239.32.21	—	any-in-2015.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.34.21	—	any-in-2215.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.36.21	—	any-in-2415.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.38.21	—	any-in-2615.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—

📧 MX Records4 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)4 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:4860:4802:32::15	—	any-in-2001-4860-4802-32--15.1e100.net	AS15169	Google LLC	2001:4860:4800:0:0:0:0:0/46	🇺🇸 United States	—
2001:4860:4802:34::15	—	any-in-2001-4860-4802-34--15.1e100.net	AS15169	Google LLC	2001:4860:4800:0:0:0:0:0/46	🇺🇸 United States	—
2001:4860:4802:36::15	—	any-in-2001-4860-4802-36--15.1e100.net	AS15169	Google LLC	2001:4860:4800:0:0:0:0:0/46	🇺🇸 United States	—
2001:4860:4802:38::15	—	any-in-2001-4860-4802-38--15.1e100.net	AS15169	Google LLC	2001:4860:4800:0:0:0:0:0/46	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 172ms

TXT Record
firebase=gen-lang-client-0397459491
google-site-verification=98m9UHewVaAGZKMqXwCKVOFDjWCZ8fwc8Hh1_Zw9Ods
v=spf1 include:_custspf.one.com include:_spf.firebasemail.com ~all

✉️ SPF

Policy	Record (reltech.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:_spf.firebasemail.com ~all

📨 DMARC

Policy	Record (_dmarc.reltech.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:no-reply@reltech.dk

📬 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 / DANE4 records 265ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC138ms

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

🏷️ SOA30ms

Field	Value
Serial	2026053101
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

53ms

A

40ms

MX

46ms

AAAA

33ms

TXT

172ms

CAA

29ms

HTTPS

40ms

TLSA

265ms

SOA

30ms

MTA-STS

31ms

DNSSEC

138ms

SRV

0ms

Total

2682ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 23:01:34	1800ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-08-27 07:09:00	847ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-08-02 18:38:00	2919ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-07-25 08:48:39	1108ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-07-24 08:34:21	3183ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-07-03 14:36:01	7076ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-06-25 03:02:34	892ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-06-24 19:21:45	1498ms	2 NS 4 A 4 MX	🔒 Secure	View
2026-06-24 11:34:08	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:26:15	2682ms	2 NS 4 A 4 MX	🔒 Secure	View