grafftheory.com - robtex.com

grafftheory.com

DNSSEC⚠️ Not signed
A162.243.154.209🇺🇸 DIGITALOCEAN162.243.128.0/19 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
SOAns1.digitalocean.comhostmaster@grafftheory.com serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776706432

Same first word

grafftheory.com

DNS History

16 records (4 active, 12 former)

20162017201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.coma.ns36.deb.ns36.dedns1.registrar-servers.comdns2.registrar-servers.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.commailgw.ns36.deA162.243.154.209192.64.119.14272.52.4.90
○NSa.ns36.de2015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 15:34:24
○ 2015-11-11 06:59:02
○ 2026-04-20 17:35:12
○NSb.ns36.de2015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 15:34:24
○ 2015-11-11 06:59:02
○ 2026-04-20 17:35:12
○NSdns1.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○NSdns2.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
●NSns1.digitalocean.com2026-03-02 → 2026-04-20 · 3 obs
○ 2017-11-22 00:30:22
● 2026-03-02 00:17:04
● 2026-04-20 17:35:12
●NSns2.digitalocean.com2026-03-02 → 2026-04-20 · 3 obs
○ 2017-11-22 00:30:22
● 2026-03-02 00:17:04
● 2026-04-20 17:35:12
●NSns3.digitalocean.com2026-03-02 → 2026-04-20 · 3 obs
○ 2017-11-22 00:30:22
● 2026-03-02 00:17:04
● 2026-04-20 17:35:12
○MXeforward1.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○MXeforward2.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○MXeforward3.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○MXeforward4.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○MXeforward5.registrar-servers.com2017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○MXmailgw.ns36.de2015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 15:34:24
○ 2015-11-11 06:59:02
○ 2026-04-20 17:35:12
●A162.243.154.2092026-03-02 → 2026-04-20 · 3 obs
○ 2017-11-22 00:30:22
● 2026-03-02 00:17:04
● 2026-04-20 17:35:12
○A192.64.119.1422017-11-22 → 2017-11-22 · 4 obs
○ 2015-11-11 06:59:02
● 2017-11-22 00:30:22
○ 2026-03-02 00:17:04
○ 2026-04-20 17:35:12
○A72.52.4.902015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 15:34:24
○ 2015-11-11 06:59:02
○ 2026-04-20 17:35:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...-
grafftheory.comns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com3 records

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grafftheory.com (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

TypeCountSample Data
A1162.243.154.209
NS3ns3.digitalocean.com, ns2.digitalocean.com...
SOA1ns1.digitalocean.com hostmaster.graffthe

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

IP Addresses

grafftheory.com maps to IP address 162.243.154.209.

Other host names, for example, hylleddin.com share IP numbers with grafftheory.com.

Name Servers

grafftheory.com is delegated to name servers ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

grafftheory.com at least partially shares name servers with other domains such as webhostspeak.net, 1.0.0.9.5.3.3.1.0.0.0.0.0.0.0.0.1.a.0.0.0.0.8.0.0.8.8.a.4.0.6.2.ip6.arpa, bellicon.ch, lasaero.co.uk and bomify.io.

Host names with two IP numbers:

ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210.

ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21.

ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209.