optional.com - robtex.com

optional.com

DNSSEC⚠️ Not signed
A2600:3c03::f03c:95ff:fe00:29ca🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A2600:3c03::f03c:95ff:fe91:5d52🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A2600:3c03::f03c:95ff:feed:4d4f🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A2600:3c03::f03c:95ff:feed:cf2a🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies ✓ In HTTPS hints
A45.33.83.100🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies ✓ In HTTPS hints
A45.79.167.180🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies ✓ In HTTPS hints
A66.175.209.179🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies ✓ In HTTPS hints
A96.126.111.165🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies ✓ In HTTPS hints
NSjiajia.ns.giantpanda.com ⭐
A3.33.232.36🇺🇸 Amazon3.33.224.0/20
PTRab9e1958095d04f26.awsglobalaccelerator.com
NSyunzi.ns.giantpanda.com
A75.2.45.63🇺🇸 Amazon75.2.32.0/20
PTRab9e1958095d04f26.awsglobalaccelerator.com
HTTPSHTTP/2, HTTP/3 ✓ hints match
IPv4 hints66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
IPv6 hints2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOAjiajia.ns.giantpanda.comadmin@giantpanda.com 2013-02-04 #1

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=1783864297
WOT: SAFE (37/100)

Same first word

optional.it
optional.is
optional.ca
optional.com
optional.org
optional.us
optional.mobi
optional.at
optional.net
optional.in
optional.de
optional.ru
optional.eu
optional.co
optional.info

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paintool.co

DNS History

26 records (10 active, 16 former)

20162017201820192020202120222023202420252026NSjiajia.ns.giantpanda.comyunzi.ns.giantpanda.comns1.sedoparking.comns2.sedoparking.comMXlocalhostmail.nickstel.comA2600:3c03::f03c:95ff:fe00:29ca2600:3c03::f03c:95ff:fe91:5d522600:3c03::f03c:95ff:feed:4d4f2600:3c03::f03c:95ff:feed:cf2a45.33.83.10045.79.167.18066.175.209.17996.126.111.165139.162.174.209139.162.181.76172.104.149.86172.104.203.186172.104.251.1982a01:7e01::2000:dff:fec1:5cdb2a01:7e01::f03c:95ff:fe00:26922a01:7e01::f03c:95ff:fe91:5d912a01:7e01::f03c:95ff:feeb:9d4b2a01:7e01::f03c:95ff:feed:783e72.52.4.11972.52.4.91
●NSjiajia.ns.giantpanda.com2026-02-17 → 2026-07-12 · 3 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
● 2026-07-12 13:55:46
○NSns1.sedoparking.com2015-07-06 → 2018-09-17 · 4 obs
● 2015-07-06 21:23:22
● 2018-09-17 14:12:52
○ 2026-02-17 05:36:16
○ 2026-07-12 13:55:46
○NSns2.sedoparking.com2015-07-06 → 2018-09-17 · 4 obs
● 2015-07-06 21:23:22
● 2018-09-17 14:12:52
○ 2026-02-17 05:36:16
○ 2026-07-12 13:55:46
●NSyunzi.ns.giantpanda.com2026-02-17 → 2026-07-12 · 3 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
● 2026-07-12 13:55:46
○MXlocalhost2017-02-05 → 2026-02-17 · 5 obs
○ 2016-06-18 16:28:52
● 2017-02-05 13:29:10
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
○ 2026-07-12 13:55:46
○MXmail.nickstel.com2015-07-06 → 2016-06-18 · 4 obs
● 2015-07-06 21:23:22
● 2016-06-18 16:28:52
○ 2017-02-05 13:29:10
○ 2026-07-12 13:55:46
○A139.162.174.2092026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A139.162.181.762026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A172.104.149.862026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A172.104.203.1862026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A172.104.251.1982026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
●A2600:3c03::f03c:95ff:fe00:29ca2026-06-30 → 2026-07-12 · 4 obs
○ 2026-03-07 00:21:18
● 2026-06-30 02:07:44
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
●A2600:3c03::f03c:95ff:fe91:5d522026-03-07 → 2026-07-12 · 4 obs
○ 2026-02-17 05:36:16
● 2026-03-07 00:21:18
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
●A2600:3c03::f03c:95ff:feed:4d4f2026-03-07 → 2026-07-12 · 4 obs
○ 2026-02-17 05:36:16
● 2026-03-07 00:21:18
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
●A2600:3c03::f03c:95ff:feed:cf2a2026-06-30 → 2026-07-12 · 4 obs
○ 2026-03-07 00:21:18
● 2026-06-30 02:07:44
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
○A2a01:7e01::2000:dff:fec1:5cdb2026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A2a01:7e01::f03c:95ff:fe00:26922026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A2a01:7e01::f03c:95ff:fe91:5d912026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A2a01:7e01::f03c:95ff:feeb:9d4b2026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
○A2a01:7e01::f03c:95ff:feed:783e2026-02-17 → 2026-06-30 · 5 obs
○ 2018-09-17 14:12:52
● 2026-02-17 05:36:16
○ 2026-03-07 00:21:18
● 2026-06-30 20:48:46
○ 2026-07-12 13:55:46
●A45.33.83.1002026-06-30 → 2026-07-12 · 4 obs
○ 2026-03-07 00:21:18
● 2026-06-30 02:07:44
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
●A45.79.167.1802026-06-30 → 2026-07-12 · 4 obs
○ 2026-03-07 00:21:18
● 2026-06-30 02:07:44
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
●A66.175.209.1792026-03-07 → 2026-07-12 · 4 obs
○ 2026-02-17 05:36:16
● 2026-03-07 00:21:18
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46
○A72.52.4.1192018-09-17 → 2018-09-17 · 4 obs
○ 2017-02-05 13:29:10
● 2018-09-17 14:12:52
○ 2026-02-17 05:36:16
○ 2026-07-12 13:55:46
○A72.52.4.912015-07-06 → 2017-02-05 · 4 obs
● 2015-07-06 21:23:22
● 2017-02-05 13:29:10
○ 2018-09-17 14:12:52
○ 2026-07-12 13:55:46
●A96.126.111.1652026-03-07 → 2026-07-12 · 4 obs
○ 2026-02-17 05:36:16
● 2026-03-07 00:21:18
○ 2026-06-30 20:48:46
● 2026-07-12 13:55:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
optional.comjiajia.ns.giantpanda.com, yunzi.ns.giantpanda.com2 records

✅ Authoritative Response

Server:3.33.232.36

NS records: jiajia.ns.giantpanda.com, yunzi.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optional.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

TypeCountSample Data
A445.79.167.180, 66.175.209.179...
AAAA42600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca...
NS2jiajia.ns.giantpanda.com, yunzi.ns.giantpanda.com
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1jiajia.ns.giantpanda.com admin.giantpand

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (jiajia.ns.giantpanda.com, yunzi.ns.giantpanda.com)

Analysis

IP Addresses

optional.com has 8 IP addresses — 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 more.

www.mediaseo.cn.com.com, www.isub.com, zgqlw.cn.com.com and two other host names share IP numbers with optional.com.

Name Servers

The NS records for optional.com delegate to jiajia.ns.giantpanda.com and yunzi.ns.giantpanda.com.

optional.com uses the same name servers as several other domains — among them commodities.com, shoppingmalls.org, scones.com and two more.

optional.com partially shares its NS delegation with several other domains, including vyz.in, rainbowacehardware.com, mywindsongdata.com and two others.

These name servers regularly co-occur with the name servers lunlun.ns.giantpanda.com, yangyang.ns.giantpanda.com and po.ns.giantpanda.com.

jiajia.ns.giantpanda.com resolves to 3.33.232.36. yunzi.ns.giantpanda.com resolves to 75.2.45.63. Both host names point to a single IP number.