usingmath.com - dns.ninja

`usingmath.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns2.afternic.com` ⭐
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`ns1.afternic.com`
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns2.afternic.com`dns@jomax.net serial=1

`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=1782529400

Same first word

usingmath.com

DNS History

8 records (4 active, 4 former)

●NSns1.afternic.com2026-03-02 → 2026-06-27 · 3 obs

○ 2017-09-24 23:37:14
● 2026-03-02 17:13:46
● 2026-06-27 03:04:00

○NSns1.dnslink.com2015-08-09 → 2017-09-24 · 4 obs

● 2015-08-09 15:58:24
● 2017-09-24 23:37:14
○ 2026-03-02 17:13:46
○ 2026-06-27 03:04:00

●NSns2.afternic.com2026-03-02 → 2026-06-27 · 3 obs

○ 2017-09-24 23:37:14
● 2026-03-02 17:13:46
● 2026-06-27 03:04:00

○NSns2.dnslink.com2015-08-09 → 2017-09-24 · 4 obs

● 2015-08-09 15:58:24
● 2017-09-24 23:37:14
○ 2026-03-02 17:13:46
○ 2026-06-27 03:04:00

○MXmail.b-io.co2015-08-09 → 2017-09-24 · 4 obs

● 2015-08-09 15:58:24
● 2017-09-24 23:37:14
○ 2026-03-02 17:13:46
○ 2026-06-27 03:04:00

●A13.248.169.482026-03-02 → 2026-06-27 · 3 obs

○ 2017-09-24 23:37:14
● 2026-03-02 17:13:46
● 2026-06-27 03:04:00

○A209.15.13.1342015-08-09 → 2017-09-24 · 4 obs

● 2015-08-09 15:58:24
● 2017-09-24 23:37:14
○ 2026-03-02 17:13:46
○ 2026-06-27 03:04:00

●A76.223.54.1462026-03-02 → 2026-06-27 · 3 obs

○ 2017-09-24 23:37:14
● 2026-03-02 17:13:46
● 2026-06-27 03:04:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
usingmath.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usingmath.com (unsigned zone)

⏱️ Timing

Total: 480ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

usingmath.com has two IP addresses: 13.248.169.48 and 76.223.54.146

byall.net, bircap.com, uqcl.com plus two other host names have IP numbers in common with usingmath.com.

Name Servers

usingmath.com uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.

The name server configuration of usingmath.com is shared with other domains, for instance audiosul.com, mailserver.charmer.com, 8thdegree.com and two others.

The name servers of usingmath.com overlap at least partially with those of other domains — among them aaisystems.com, laguide.net, mottosport.com and two more.

These name servers commonly co-occur with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn, verification-kcjsrsvbg6v3gvjg6lgejt.ns101.verify.hn and verification-cukmqwnkpi6booqjwnxbfw.ns101.verify.hn.

The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.