`mail.sixdaycal.com`

DNSSEC	⚠️ Not signed
A	51.81.138.96^{🇺🇸 OVH51.81.128.0/17 Hosting route}
		PTR	`ns212.webmasters.com`

`sixdaycal.com`

	DNSSEC	⚠️ Not signed
	A	51.81.138.96^{🇺🇸 OVH51.81.128.0/17 Hosting route}
	NS	`ns212.webmasters.com` ⭐
	NS	`dns1.webmasters.com`
	NS	`dns2.webmasters.com`
	NS	`dns3.webmasters.com`
	NS	`dns4.webmasters.com`
	MX	`mail.sixdaycal.com` ⭐
	TXT	`v=spf1 ip4:51.81.138.96 ~all`
	SOA	`ns212.webmasters.com`admin@webmasters.com serial=952591085

MX for

sixdaycal.com

Same first word

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mail.org.ru

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DNS History

2 records (1 active, 1 former)

●A51.81.138.962026-03-09 → 2026-05-13 · 3 obs

○ 2017-08-10 06:57:28
● 2026-03-09 15:12:20
● 2026-05-13 07:49:20

○A66.230.196.1352017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 06:57:28
○ 2026-03-09 15:12:20
○ 2026-05-13 07:49:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sixdaycal.com	dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com, dns4.webmasters.com	4 records

✅ Authoritative Response

Server:209.216.88.8

NS records: dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com, dns4.webmasters.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sixdaycal.com (unsigned zone)

⏱️ Timing

Total: 733ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.81.138.96`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com...)

Analysis

Mail Server Role

mail.sixdaycal.com serves as the mail server for sixdaycal.com.

IP Addresses

mail.sixdaycal.com points to a single IP: 51.81.138.96.

Other host names, for instance mail.pokornyrelays.com, mail.gradesgardens.com, cchsnow.org, mail.cruiseliberty.com and labadabado.com share IP numbers with mail.sixdaycal.com.

mail.sixdaycal.com - robtex.com