grammarsoftware.com - dns.ninja

grammarsoftware.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:85ca🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1954🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.84Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.202🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjean.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
A2803:f800:50::6ca2:c079🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjean.ns.cloudflare.com
A2a06:98c1:50::ac40:2079🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjean.ns.cloudflare.com
A108.162.192.121🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
A172.64.32.121🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
A173.245.58.121🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
NSrob.ns.cloudflare.com
A2606:4700:58::adf5:3b8c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
A2803:f800:50::6ca2:c18c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrob.ns.cloudflare.com
A2a06:98c1:50::ac40:218c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrob.ns.cloudflare.com
A108.162.193.140🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
A172.64.33.140🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
A173.245.59.140🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.84, 172.67.133.202
IPv6 hints2606:4700:3035::ac43:85ca, 2606:4700:3037::6815:1954
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOAjean.ns.cloudflare.comdns@cloudflare.com serial=2404941187

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=1783137666

Subdomains

www.grammarsoftware.com

Same first word

grammarsoftware.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSjean.ns.cloudflare.comrob.ns.cloudflare.comMXdc-379ea015.grammarsoftware.comdc-8acfe3aae95a.grammarsoftware.comA104.21.25.84172.67.133.2022606:4700:3035::ac43:85ca2606:4700:3037::6815:1954104.28.30.92104.28.31.922400:cb00:2048:1::681c:1e5c2400:cb00:2048:1::681c:1f5c2606:4700:3036::ac43:85ca
●NSjean.ns.cloudflare.com2015-08-02 → 2026-07-04 · 2 obs
● 2015-08-02 02:41:56
● 2026-07-04 04:29:20
●NSrob.ns.cloudflare.com2015-08-02 → 2026-07-04 · 2 obs
● 2015-08-02 02:41:56
● 2026-07-04 04:29:20
○MXdc-379ea015.grammarsoftware.com2015-08-02 → 2016-08-05 · 4 obs
● 2015-08-02 02:41:56
● 2016-08-05 19:57:26
○ 2017-08-17 18:58:50
○ 2026-07-04 04:29:20
○MXdc-8acfe3aae95a.grammarsoftware.com2017-08-17 → 2017-08-17 · 4 obs
○ 2016-08-05 19:57:26
● 2017-08-17 18:58:50
○ 2026-03-06 18:12:50
○ 2026-07-04 04:29:20
●A104.21.25.842026-03-06 → 2026-07-04 · 3 obs
○ 2017-08-17 18:58:50
● 2026-03-06 18:12:50
● 2026-07-04 04:29:20
○A104.28.30.922015-08-02 → 2017-08-17 · 4 obs
● 2015-08-02 02:41:56
● 2017-08-17 18:58:50
○ 2026-03-06 18:12:50
○ 2026-07-04 04:29:20
○A104.28.31.922015-08-02 → 2017-08-17 · 4 obs
● 2015-08-02 02:41:56
● 2017-08-17 18:58:50
○ 2026-03-06 18:12:50
○ 2026-07-04 04:29:20
●A172.67.133.2022026-03-06 → 2026-07-04 · 3 obs
○ 2017-08-17 18:58:50
● 2026-03-06 18:12:50
● 2026-07-04 04:29:20
○A2400:cb00:2048:1::681c:1e5c2015-08-02 → 2017-08-17 · 4 obs
● 2015-08-02 02:41:56
● 2017-08-17 18:58:50
○ 2026-03-06 18:12:50
○ 2026-07-04 04:29:20
○A2400:cb00:2048:1::681c:1f5c2015-08-02 → 2017-08-17 · 4 obs
● 2015-08-02 02:41:56
● 2017-08-17 18:58:50
○ 2026-03-06 18:12:50
○ 2026-07-04 04:29:20
●A2606:4700:3035::ac43:85ca2026-06-25 → 2026-07-04 · 3 obs
○ 2026-06-04 11:52:14
● 2026-06-25 14:57:12
● 2026-07-04 04:29:20
○A2606:4700:3036::ac43:85ca2026-03-06 → 2026-06-04 · 5 obs
○ 2017-08-17 18:58:50
● 2026-03-06 18:12:50
● 2026-06-04 11:52:14
○ 2026-06-25 14:57:12
○ 2026-07-04 04:29:20
●A2606:4700:3037::6815:19542026-03-06 → 2026-07-04 · 3 obs
○ 2017-08-17 18:58:50
● 2026-03-06 18:12:50
● 2026-07-04 04:29:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...-
grammarsoftware.comjean.ns.cloudflare.com, rob.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.140

NS records: jean.ns.cloudflare.com, rob.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grammarsoftware.com (unsigned zone)

⏱️ Timing

Total: 222ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.202, 104.21.25.84
AAAA22606:4700:3035::ac43:85ca, 2606:4700:3037::6815:1954
NS2jean.ns.cloudflare.com, rob.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jean.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jean.ns.cloudflare.com, jean.ns.cloudflare.com, jean.ns.cloudflare.com...)

Analysis

Hierarchy

grammarsoftware.com is the parent zone for www.grammarsoftware.com.

IP Addresses

grammarsoftware.com has four IP addresses: 104.21.25.84, 172.67.133.202, 2606:4700:3035::ac43:85ca and 2606:4700:3037::6815:1954.

Additional host names — etspay.cn, www.starways.com.sa, elitepalaceonline.com and two others — share IP numbers with grammarsoftware.com.

Name Servers

grammarsoftware.com uses two name servers for its delegation: jean.ns.cloudflare.com and rob.ns.cloudflare.com.

grammarsoftware.com shares its name server setup with other domains, including bocadancesport.com, catch22bbs.com, edukacjamerytoryczna7.biz and two others.

grammarsoftware.com partially shares its NS delegation with several other domains, including airdrop-vooi.xyz, seventh-art.com, oncepuntos.com.ar and two others.

Host names with 6 IP numbers:

Hostname jean.ns.cloudflare.com directs to 108.162.192.121, 172.64.32.121 and 173.245.58.121 along with 3 other IP addresses.

Hostname rob.ns.cloudflare.com directs to 108.162.193.140, 172.64.33.140 and 173.245.59.140 along with 3 other IP addresses.