dahlby.dk DNS records

🖥️ Nameservers2 records 88ms

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 Records

🌍

No A records found

📧 MX Records5 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:400c:c23::1a 66.102.1.27	yubrupd-in-f26.1e100.net wb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.213.27 2a00:1450:4013:c1e::1a	yugrqzs-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.148.27 2a00:1450:4025:4401::1a	yuskedq-in-f27.1e100.net yuskedq-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx2.googlemail.com	192.178.213.27 2a00:1450:4013:c1e::1b	yugrqzs-in-f27.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx3.googlemail.com	172.253.148.26 2a00:1450:4025:4401::1a	yuskedq-in-f26.1e100.net yuskedq-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	ghs.google.com → 142.251.20.121
🔶 Autoconfig	ghs.google.com → 142.251.20.121

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 438ms

TXT Record
google-site-verification=bvRgwcztLKpcywwbe2c6XLcenBIiaUyjiIZ-R5OBDaA

✉️ 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)

🔐 DNSSEC292ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

88ms

A

71ms

MX

114ms

AAAA

73ms

TXT

438ms

CAA

68ms

HTTPS

69ms

TLSA

170ms

SOA

0ms

MTA-STS

246ms

DNSSEC

292ms

SRV

242ms

Total

1855ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 00:15:07	1855ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-27 21:48:40	9904ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-08-26 21:01:34	1148ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-31 03:02:12	17073ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-17 05:32:42	5161ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-07-02 00:42:36	1082ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-29 01:17:51	763ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-27 02:43:14	832ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-25 11:57:00	3481ms	2 NS 0 A 5 MX	🔒 Secure	View
2026-06-22 01:21:49	1167ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:43:09	560ms	2 NS 0 A 5 MX	⚠️ Bogus	View
2026-06-16 23:40:40	625ms	2 NS 0 A 5 MX	🔒 Secure	View