sinmath.com - dns.ninja

`sinmath.com`

DNSSEC	⚠️ Not signed
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-208-88-157.compute-1.amazonaws.com`
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p02.nsone.net`
		A	2620:4d:4000:6259:7:2:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p02.nsone.net`
		A	198.51.44.2^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p02.nsone.net`
NS	`dns2.p02.nsone.net`
		A	2a00:edc0:6259:7:2::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p02.nsone.net`
		A	198.51.45.2^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p02.nsone.net`
NS	`dns3.p02.nsone.net`
		A	2620:4d:4000:6259:7:2:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p02.nsone.net`
		A	198.51.44.66^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p02.nsone.net`
NS	`dns4.p02.nsone.net`
		A	2a00:edc0:6259:7:2::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p02.nsone.net`
		A	198.51.45.66^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p02.nsone.net`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1701492663

`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=1784822882

Same first word

sinmath.com

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DNS History

14 records (7 active, 7 former)

●NSdns1.p01.nsone.net2026-03-11 → 2026-07-23 · 3 obs

○ 2020-04-14 23:27:30
● 2026-03-11 13:43:44
● 2026-07-23 16:14:52

●NSdns1.p02.nsone.net2026-03-11 → 2026-07-23 · 3 obs

○ 2020-04-14 23:27:30
● 2026-03-11 13:43:44
● 2026-07-23 16:14:52

○NSdns11.hichina.com2020-04-14 → 2020-04-14 · 3 obs

● 2020-04-14 23:27:30
○ 2026-03-11 13:43:44
○ 2026-07-23 16:14:52

○NSdns12.hichina.com2020-04-14 → 2020-04-14 · 3 obs

● 2020-04-14 23:27:30
○ 2026-03-11 13:43:44
○ 2026-07-23 16:14:52

●NSdns2.p02.nsone.net2026-03-11 → 2026-07-23 · 3 obs

○ 2020-04-14 23:27:30
● 2026-03-11 13:43:44
● 2026-07-23 16:14:52

●NSdns3.p02.nsone.net2026-03-11 → 2026-07-23 · 3 obs

○ 2020-04-14 23:27:30
● 2026-03-11 13:43:44
● 2026-07-23 16:14:52

●NSdns4.p02.nsone.net2026-03-11 → 2026-07-23 · 3 obs

○ 2020-04-14 23:27:30
● 2026-03-11 13:43:44
● 2026-07-23 16:14:52

○A13.52.188.952026-04-03 → 2026-06-16 · 10 obs

○ 2026-03-13 19:21:24
● 2026-04-03 10:20:32
○ 2026-04-05 18:45:18
○ 2026-04-23 21:21:54
● 2026-05-03 09:38:48
● 2026-05-05 06:29:24
○ 2026-05-26 20:08:44
● 2026-06-16 14:04:32
○ 2026-07-08 15:01:48
○ 2026-07-23 16:14:52

●A18.208.88.1572026-03-11 → 2026-07-23 · 9 obs

● 2026-03-11 13:43:44
○ 2026-03-13 19:21:24
○ 2026-04-05 18:45:18
● 2026-04-23 21:21:54
○ 2026-05-03 09:38:48
○ 2026-05-05 06:29:24
● 2026-05-26 20:08:44
○ 2026-06-16 14:04:32
● 2026-07-23 16:14:52

○A35.157.26.1352026-03-13 → 2026-07-08 · 8 obs

○ 2026-03-11 13:43:44
● 2026-03-13 19:21:24
○ 2026-04-03 10:20:32
● 2026-04-05 18:45:18
○ 2026-04-23 21:21:54
○ 2026-06-16 14:04:32
● 2026-07-08 15:01:48
○ 2026-07-23 16:14:52

○A52.52.192.1912026-04-03 → 2026-06-16 · 10 obs

○A63.176.8.2182026-03-13 → 2026-07-08 · 8 obs

○ 2026-03-11 13:43:44
● 2026-03-13 19:21:24
○ 2026-04-03 10:20:32
● 2026-04-05 18:45:18
○ 2026-04-23 21:21:54
○ 2026-06-16 14:04:32
● 2026-07-08 15:01:48
○ 2026-07-23 16:14:52

●A98.84.224.1112026-03-11 → 2026-07-23 · 9 obs

○CNAMEoverdue.aliyun.com2020-04-14 → 2020-04-14 · 3 obs

● 2020-04-14 23:27:30
○ 2026-03-11 13:43:44
○ 2026-07-23 16:14:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sinmath.com	dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net	-

✅ Authoritative Response

Server:198.51.44.2

NS records: dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinmath.com (unsigned zone)

⏱️ Timing

Total: 987ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`18.208.88.157, 98.84.224.111`
NS	4	`dns1.p02.nsone.net, dns2.p02.nsone.net...`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

sinmath.com resolves to the IP addresses 18.208.88.157 and 98.84.224.111

Among the host names that share IP numbers with sinmath.com are relaxed-stonebraker-21a09b.bitballoon.com, summoner.bitballoon.com, fluffy-peony-156fca.netlify.app and two others.

Name Servers

The authoritative name servers for sinmath.com are dns1.p01.nsone.net, dns1.p02.nsone.net, dns2.p02.nsone.net and two others.

sinmath.com shares at least some of its name servers with other domains, including giantnewyorkpizza.com, architectes-interieur-lyon.com, i-m-p.at and two others.

These name servers are frequently seen alongside dns3.p02.nsone.net, dns4.p02.nsone.net, ns01.squarespacedns.com and 7 other name servers.

Hosts with two IP numbers each:

dns1.p01.nsone.net has two IP addresses: 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns1.p02.nsone.net has two IP addresses: 198.51.44.2 and 2620:4d:4000:6259:7:2:0:1.

dns2.p02.nsone.net has two IP addresses: 198.51.45.2 and 2a00:edc0:6259:7:2::2.

dns3.p02.nsone.net has two IP addresses: 198.51.44.66 and 2620:4d:4000:6259:7:2:0:3.

dns4.p02.nsone.net has two IP addresses: 198.51.45.66 and 2a00:edc0:6259:7:2::4.