`mail.a1singles.com`

DNSSEC	⚠️ Not signed
A	216.55.186.90^{🇺🇸 CODERO-DFW-AS216.55.186.0/24}
		PTR	`216-55-186-90.dedicated.codero.net`

`a1singles.com`

	DNSSEC	⚠️ Not signed
	A	216.55.186.90^{🇺🇸 CODERO-DFW-AS216.55.186.0/24}
	NS	`ns.a1singles.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.trustme.info` ⚠️ Not in zone NS records
	NS	`ns1.visaneon.com` ⚠️ Not in parent delegation
	NS	`ns2.trustme.info` ⚠️ Not in zone NS records
	NS	`ns2.visaneon.com` ⚠️ Not in parent delegation
	MX	`mail.a1singles.com` ⭐
	TXT	`v=spf1 +a +mx -all`
	SOA	`ns.a1singles.com`info@visacoach.com serial=1573075381

MX for

a1singles.com

Same first word

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DNS History

2 records (1 active, 1 former)

●A216.55.186.902026-02-19 → 2026-07-15 · 3 obs

○ 2016-07-06 05:38:58
● 2026-02-19 20:29:16
● 2026-07-15 04:03:22

○A66.235.177.1002015-07-11 → 2016-07-06 · 4 obs

● 2015-07-11 02:26:18
● 2016-07-06 05:38:58
○ 2026-02-19 20:29:16
○ 2026-07-15 04:03:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
a1singles.com	ns1.trustme.info, ns2.trustme.info	-

✅ Authoritative Response

Server:216.55.186.90

NS records: ns1.trustme.info, ns2.trustme.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a1singles.com (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.55.186.90`

Analysis

Mail Server Role

a1singles.com uses mail.a1singles.com as a mail server.

IP Addresses

mail.a1singles.com resolves to one IP address: 216.55.186.90.

ns.angel-investors.com, angel-investors.com, ns.singletravelgroup.com and two other host names share IP numbers with mail.a1singles.com.

mail.a1singles.com - robtex.com