mathnotepad.com - dns.ninja

`mathnotepad.com`

DNSSEC	⚠️ Not signed
A	3.33.249.164^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aa415c6ca9a0cf0bf.awsglobalaccelerator.com`
A	15.197.253.240^{🇺🇸 Amazon15.197.240.0/20}
A	52.223.53.203^{🇺🇸 Amazon52.223.48.0/20}
A	99.83.185.157^{🇺🇸 Amazon99.83.176.0/20}
NS	`ns1.dnsimple.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple.com`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple.com`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple.com`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1447934904

`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=1785929404

Same first word

mathnotepad.herokuapp.com

mathnotepad.com

mathnotepad.org

DNS History

40 records (8 active, 32 former)

●NSns1.dnsimple.com2015-12-30 → 2026-08-05 · 3 obs

○ 2015-11-09 14:22:20
● 2015-12-30 16:30:00
● 2026-08-05 11:45:24

○NSns1.metaregistrar.nl2015-06-25 → 2015-11-09 · 5 obs

○ 2008-11-28 05:52:56
● 2015-06-25 16:05:42
● 2015-11-09 14:22:20
○ 2015-12-30 16:30:00
○ 2026-08-05 11:45:24

●NSns2.dnsimple.com2015-12-30 → 2026-08-05 · 3 obs

○ 2015-11-09 14:22:20
● 2015-12-30 16:30:00
● 2026-08-05 11:45:24

○NSns2.metaregistrar.nl2015-06-25 → 2015-11-09 · 5 obs

○ 2008-11-28 05:52:56
● 2015-06-25 16:05:42
● 2015-11-09 14:22:20
○ 2015-12-30 16:30:00
○ 2026-08-05 11:45:24

●NSns3.dnsimple.com2015-12-30 → 2026-08-05 · 3 obs

○ 2015-11-09 14:22:20
● 2015-12-30 16:30:00
● 2026-08-05 11:45:24

●NSns4.dnsimple.com2015-12-30 → 2026-08-05 · 3 obs

○ 2015-11-09 14:22:20
● 2015-12-30 16:30:00
● 2026-08-05 11:45:24

○MXmailfilter1.mijndomein.nl2015-06-25 → 2015-11-09 · 5 obs

○ 2008-11-28 05:52:56
● 2015-06-25 16:05:42
● 2015-11-09 14:22:20
○ 2015-12-30 16:30:00
○ 2026-08-05 11:45:24

○MXmailfilter2.mijndomein.nl2015-06-25 → 2015-11-09 · 5 obs

○ 2008-11-28 05:52:56
● 2015-06-25 16:05:42
● 2015-11-09 14:22:20
○ 2015-12-30 16:30:00
○ 2026-08-05 11:45:24

●A15.197.253.2402026-07-01 → 2026-08-05 · 3 obs

○ 2017-07-20 14:54:00
● 2026-07-01 04:50:34
● 2026-08-05 11:45:24

○A176.34.100.2272017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A176.34.187.1052016-01-17 → 2016-01-17 · 4 obs

○ 2016-01-15 09:26:16
● 2016-01-17 08:20:50
○ 2016-04-03 05:25:50
○ 2026-08-05 11:45:24

○A176.34.191.842017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A176.34.225.742016-04-03 → 2016-04-03 · 4 obs

○ 2016-01-17 08:20:50
● 2016-04-03 05:25:50
○ 2016-10-26 11:38:22
○ 2026-08-05 11:45:24

○A188.93.150.852015-06-25 → 2015-11-09 · 5 obs

○ 2008-11-28 05:52:56
● 2015-06-25 16:05:42
● 2015-11-09 14:22:20
○ 2015-12-30 16:30:00
○ 2026-08-05 11:45:24

●A3.33.249.1642026-07-01 → 2026-08-05 · 3 obs

○ 2017-07-20 14:54:00
● 2026-07-01 04:50:34
● 2026-08-05 11:45:24

○A46.137.164.1622017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A46.137.167.22017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

●A52.223.53.2032026-07-01 → 2026-08-05 · 3 obs

○ 2017-07-20 14:54:00
● 2026-07-01 04:50:34
● 2026-08-05 11:45:24

○A54.217.214.2242017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.217.217.1512017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.217.217.362016-10-26 → 2017-01-02 · 5 obs

○ 2016-04-03 05:25:50
● 2016-10-26 11:38:22
● 2017-01-02 10:28:20
○ 2017-07-04 19:37:44
○ 2026-08-05 11:45:24

○A54.217.228.2032017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A54.217.241.1762017-07-20 → 2017-07-20 · 4 obs

○ 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.217.254.882017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.228.198.802017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.228.218.1752017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.228.220.852017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A54.228.255.782017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.246.116.2332017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A54.246.92.1532017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.247.100.512016-01-15 → 2016-01-15 · 4 obs

○ 2015-12-30 16:30:00
● 2016-01-15 09:26:16
○ 2016-01-17 08:20:50
○ 2026-08-05 11:45:24

○A54.247.105.1142017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.247.110.812017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.247.114.132017-07-04 → 2017-07-20 · 5 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.247.161.412017-07-20 → 2017-07-20 · 4 obs

○ 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.247.66.2022017-07-04 → 2017-07-04 · 4 obs

○ 2017-01-02 10:28:20
● 2017-07-04 19:37:44
○ 2017-07-20 14:54:00
○ 2026-08-05 11:45:24

○A54.247.69.872015-12-30 → 2015-12-30 · 4 obs

○ 2015-11-09 14:22:20
● 2015-12-30 16:30:00
○ 2016-01-15 09:26:16
○ 2026-08-05 11:45:24

○A54.247.91.852017-07-20 → 2017-07-20 · 4 obs

○ 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

○A54.75.229.552017-07-20 → 2017-07-20 · 4 obs

○ 2017-07-04 19:37:44
● 2017-07-20 14:54:00
○ 2026-07-01 04:50:34
○ 2026-08-05 11:45:24

●A99.83.185.1572026-07-01 → 2026-08-05 · 3 obs

○ 2017-07-20 14:54:00
● 2026-07-01 04:50:34
● 2026-08-05 11:45:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...	-
mathnotepad.com	ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com	8 records

✅ Authoritative Response

Server:199.247.155.53

NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotepad.com (unsigned zone)

⏱️ Timing

Total: 393ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.33.249.164, 15.197.253.240...`
NS	4	`ns1.dnsimple.com, ns2.dnsimple.com...`
SOA	1	`ns1.dnsimple.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)

Analysis

IP Addresses

mathnotepad.com points to the four IP addresses 3.33.249.164, 15.197.253.240, 52.223.53.203 and 99.83.185.157.

Additional host names — danlaffan.com, objective-procompsognathus-5dh7aud3rdg551t5pi83t7i3.herokudns.com, dlprime2go.com and two others — share IP numbers with mathnotepad.com.

Name Servers

mathnotepad.com has four authoritative name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.

There is at least partial name server overlap between mathnotepad.com and other domains — cyberhome-europe.de, 90210insiders.com, calhan.co and two more among them.

These name servers frequently co-occur with the name servers ns4.dnsimple-edge.org and ns2.dnsimple-edge.net.

All four hostnames — ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com — resolve to two IP numbers apiece: ns1.dnsimple.com to 199.247.152.53 and 2620:111:8004::53; ns2.dnsimple.com to 199.247.153.53 and 2620:111:8005::53; ns3.dnsimple.com to 199.247.154.53 and 2620:111:8006::53; ns4.dnsimple.com to 199.247.155.53 and 2620:111:8007::53.