esrs.dk DNS records

🖥️ Nameservers2 records 76ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.239.32.21	3600s	any-in-2015.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.34.21	3600s	any-in-2215.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.36.21	3600s	any-in-2415.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.38.21	3600s	any-in-2615.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)4 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:4860:4802:32::15	3600s	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	3600s	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	3600s	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	3600s	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 Records1 records 186ms

TXT Record
google-site-verification=8xqSLSUvnBQk3RMXpJBdbkbNWlZ_eUvQCcik54UpbzM

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔗 TLSA / DANE

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

🔐 DNSSEC163ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081401
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

76ms

A

54ms

MX

55ms

AAAA

70ms

TXT

186ms

CAA

66ms

HTTPS

53ms

TLSA

306ms

SOA

0ms

MTA-STS

79ms

DNSSEC

163ms

SRV

96ms

Total

1383ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:09:23	1383ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-08-16 00:43:26	5164ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-07-16 04:00:02	2692ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-07-13 14:35:50	6601ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-07-03 18:32:13	948ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-07-02 00:18:09	2107ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-06-17 08:25:03	541ms	2 NS 4 A 0 MX	🔒 Secure	View
2026-06-17 08:24:50	2481ms	2 NS 4 A 0 MX	🔒 Secure	View