`mathematical-puzzles.com`

DNSSEC	⚠️ Not signed
A	172.105.196.241^{🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies}
		PTR	`li1838-241.members.linode.com`
NS	`ns1.raidholiday.com` ⭐ ⚠️ Not in parent delegation
		A	172.105.196.241^{🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies}
			PTR	`li1838-241.members.linode.com`
NS	`dns1.hesha.info`
		A	172.105.196.241^{🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies}
			PTR	`li1838-241.members.linode.com`
NS	`dns2.hesha.info`
		A	80.85.85.145^{🇬🇧 AKAMAI-LINODE-AP80.85.84.0/22 Akamai Technologies}
			PTR	`li749-145.members.linode.com`
NS	`ns2.raidholiday.com` ⚠️ Not in parent delegation
		A	80.85.85.145^{🇬🇧 AKAMAI-LINODE-AP80.85.84.0/22 Akamai Technologies}
			PTR	`li749-145.members.linode.com`
SOA	`ns1.raidholiday.com`reply@mathematical-puzzles.com 2025-05-01 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778692166

Subdomains

mail.mathematical-puzzles.com

Same first word

mathematical-puzzles.com

DNS History

13 records (5 active, 8 former)

●NSdns1.hesha.info2026-04-23 → 2026-05-13 · 3 obs

○ 2017-06-26 03:23:00
● 2026-04-23 15:47:48
● 2026-05-13 17:18:54

●NSdns2.hesha.info2026-04-23 → 2026-05-13 · 3 obs

○ 2017-06-26 03:23:00
● 2026-04-23 15:47:48
● 2026-05-13 17:18:54

●NSns1.raidholiday.com2026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-23 15:47:48
● 2026-04-29 09:14:38
● 2026-05-13 17:18:54

●NSns2.raidholiday.com2026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-23 15:47:48
● 2026-04-29 09:14:38
● 2026-05-13 17:18:54

○NSns5.kasserver.com2015-08-11 → 2017-06-26 · 4 obs

● 2015-08-11 14:47:04
● 2017-06-26 03:23:00
○ 2026-04-23 15:47:48
○ 2026-05-13 17:18:54

○NSns6.kasserver.com2015-08-11 → 2017-06-26 · 4 obs

● 2015-08-11 14:47:04
● 2017-06-26 03:23:00
○ 2026-04-23 15:47:48
○ 2026-05-13 17:18:54

○MXmail.mathematical-puzzles.com2015-08-11 → 2016-11-19 · 4 obs

● 2015-08-11 14:47:04
● 2016-11-19 12:49:36
○ 2017-06-26 03:23:00
○ 2026-05-13 17:18:54

○MXw00c3ab0.kasserver.com2017-06-26 → 2017-06-26 · 4 obs

○ 2016-11-19 12:49:36
● 2017-06-26 03:23:00
○ 2026-04-23 15:47:48
○ 2026-05-13 17:18:54

○A172.105.152.1722026-04-23 → 2026-04-23 · 4 obs

○ 2017-06-26 03:23:00
● 2026-04-23 15:47:48
○ 2026-04-29 09:14:38
○ 2026-05-13 17:18:54

●A172.105.196.2412026-04-29 → 2026-05-13 · 3 obs

○ 2026-04-23 15:47:48
● 2026-04-29 09:14:38
● 2026-05-13 17:18:54

○A85.13.128.2252015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 14:47:04
○ 2015-12-11 02:49:44
○ 2026-05-13 17:18:54

○A85.13.139.1942017-06-26 → 2017-06-26 · 4 obs

○ 2016-11-19 12:49:36
● 2017-06-26 03:23:00
○ 2026-04-23 15:47:48
○ 2026-05-13 17:18:54

○A85.13.139.672015-12-11 → 2016-11-19 · 5 obs

○ 2015-08-11 14:47:04
● 2015-12-11 02:49:44
● 2016-11-19 12:49:36
○ 2017-06-26 03:23:00
○ 2026-05-13 17:18:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
mathematical-puzzles.com	dns1.hesha.info, dns2.hesha.info	-

✅ Authoritative Response

Server:80.85.85.145

NS records: dns1.hesha.info, dns2.hesha.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathematical-puzzles.com (unsigned zone)

⏱️ Timing

Total: 827ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.105.196.241`
NS	4	`ns1.raidholiday.com, dns2.hesha.info...`
SOA	1	`ns1.raidholiday.com reply.mathematical-p`

Analysis

Hierarchy

The parent of mail.mathematical-puzzles.com is mathematical-puzzles.com.

IP Addresses

mathematical-puzzles.com points to IP number: 172.105.196.241.

Other host names such as insuranceqa.com, ns2.fishinghunting.us, mail.mathematical-puzzles.com, follybeachscvacationrentals.com and ns2.grabsky.net share IPs with mathematical-puzzles.com.

Name Servers

mathematical-puzzles.com is delegated to four name servers: ns1.raidholiday.com, ns2.raidholiday.com, dns1.hesha.info and dns2.hesha.info.

mathematical-puzzles.com shares name servers with other domains, at least partially, for example insuranceqa.com, follybeachscvacationrentals.com and sacvenue.com as well as casino-bonus-paradise.com.

These name servers are commonly used with dns1.sprach-reise.com and dns2.sprach-reise.com.

Host names with a single IP address:

ns1.raidholiday.com maps to 172.105.196.241

ns2.raidholiday.com maps to 80.85.85.145

dns1.hesha.info maps to 172.105.196.241

dns2.hesha.info maps to 80.85.85.145

Host names mapping to 172.105.196.241: ns1.raidholiday.com and dns1.hesha.info

Host names mapping to 80.85.85.145: ns2.raidholiday.com and dns2.hesha.info

mathematical-puzzles.com - robtex.com