chalkstring.com - dns.ninja

`chalkstring.com`

DNSSEC	⚠️ Not signed
A	199.60.103.97^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242}
A	199.60.103.197^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242}
NS	`ns-451.awsdns-56.com` ⭐
		A	2600:9000:5301:c300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-451.awsdns-56.com`
		A	205.251.193.195^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-451.awsdns-56.com`
NS	`ns-1236.awsdns-26.org`
		A	2600:9000:5304:d400::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1236.awsdns-26.org`
		A	205.251.196.212^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1236.awsdns-26.org`
NS	`ns-1780.awsdns-30.co.uk`
		A	2600:9000:5306:f400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1780.awsdns-30.co.uk`
		A	205.251.198.244^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1780.awsdns-30.co.uk`
NS	`ns-680.awsdns-21.net`
		A	2600:9000:5302:a800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-680.awsdns-21.net`
		A	205.251.194.168^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-680.awsdns-21.net`
MX	`chalkstring-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`atlassian-domain-verification=HjFS6jXLJfvNeGOUn9SR/2Q19PKCmoe5sBGssaelVI1TaTQ...`
TXT	`v=spf1 ip4:52.16.83.190 ip4:52.51.91.201 include:spf.protection.outlook.com i...`
SOA	`ns-451.awsdns-56.com`awsdns-hostmaster@amazon.com 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=1783873342

Previously MX for

chalkstring.com

Subdomains

beta.chalkstring.com

support.chalkstring.com

Same first word

chalkstring.com

DNS History

18 records (7 active, 11 former)

●NSns-1236.awsdns-26.org2026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

●NSns-1780.awsdns-30.co.uk2026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

●NSns-451.awsdns-56.com2026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

●NSns-680.awsdns-21.net2026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

○NSns1.bodis.com2016-07-25 → 2017-03-30 · 5 obs

○ 2016-03-08 20:43:04
● 2016-07-25 03:16:32
● 2017-03-30 16:07:50
○ 2026-02-16 07:36:40
○ 2026-07-12 16:50:42

○NSns1.vidahost.com2015-08-08 → 2015-12-05 · 4 obs

● 2015-08-08 15:30:08
● 2015-12-05 13:21:54
○ 2016-03-08 20:43:04
○ 2026-07-12 16:50:42

○NSns2.bodis.com2016-07-25 → 2017-03-30 · 5 obs

○ 2016-03-08 20:43:04
● 2016-07-25 03:16:32
● 2017-03-30 16:07:50
○ 2026-02-16 07:36:40
○ 2026-07-12 16:50:42

○NSns2.vidahost.com2015-08-08 → 2015-12-05 · 4 obs

● 2015-08-08 15:30:08
● 2015-12-05 13:21:54
○ 2016-03-08 20:43:04
○ 2026-07-12 16:50:42

○NSns3.vidahost.com2015-08-08 → 2015-12-05 · 4 obs

● 2015-08-08 15:30:08
● 2015-12-05 13:21:54
○ 2016-03-08 20:43:04
○ 2026-07-12 16:50:42

●MXchalkstring-com.mail.protection.outlook.com2026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

○MXchalkstring.com2015-08-08 → 2015-12-05 · 4 obs

● 2015-08-08 15:30:08
● 2015-12-05 13:21:54
○ 2016-03-08 20:43:04
○ 2026-07-12 16:50:42

○MXmx76.m2bp.com2017-03-30 → 2017-03-30 · 4 obs

○ 2016-03-08 20:43:04
● 2017-03-30 16:07:50
○ 2026-02-16 07:36:40
○ 2026-07-12 16:50:42

○MXmx76.mb1p.com2017-03-30 → 2017-03-30 · 4 obs

○ 2016-03-08 20:43:04
● 2017-03-30 16:07:50
○ 2026-02-16 07:36:40
○ 2026-07-12 16:50:42

○A199.59.242.1502017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-25 03:16:32
● 2017-03-30 16:07:50
○ 2026-02-16 07:36:40
○ 2026-07-12 16:50:42

○A199.59.243.1202016-07-25 → 2016-07-25 · 4 obs

○ 2016-03-08 20:43:04
● 2016-07-25 03:16:32
○ 2017-03-30 16:07:50
○ 2026-07-12 16:50:42

●A199.60.103.1972026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

●A199.60.103.972026-02-16 → 2026-07-12 · 3 obs

○ 2017-03-30 16:07:50
● 2026-02-16 07:36:40
● 2026-07-12 16:50:42

○A91.146.108.1482015-08-08 → 2015-12-05 · 4 obs

● 2015-08-08 15:30:08
● 2015-12-05 13:21:54
○ 2016-03-08 20:43:04
○ 2026-07-12 16:50:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
chalkstring.com	ns-680.awsdns-21.net, ns-451.awsdns-56.com, ns-1780.awsdns-30.co.uk, ns-1236.awsdns-26.org	2 records

✅ Authoritative Response

Server:205.251.193.195

NS records: ns-680.awsdns-21.net, ns-451.awsdns-56.com, ns-1780.awsdns-30.co.uk, ns-1236.awsdns-26.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chalkstring.com (unsigned zone)

⏱️ Timing

Total: 829ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.60.103.97, 199.60.103.197`
NS	4	`ns-1236.awsdns-26.org, ns-1780.awsdns-30.co.uk...`
MX	1	`chalkstring-com.mail.protection.outlook.`
TXT	2	`atlassian-domain-verification=HjFS6jXLJf, v=spf1 ip4:52.16.83.190 ip4:52.51.91.201`
SOA	1	`ns-451.awsdns-56.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-451.awsdns-56.com, ns-451.awsdns-56.com)

Analysis

Hierarchy

chalkstring.com is the parent domain of beta.chalkstring.com and support.chalkstring.com.

IP Addresses

chalkstring.com resolves to the IP addresses 199.60.103.97 and 199.60.103.197

Additional host names — rigaku.com, jemmoma.com, incerta.be and two others — share IP numbers with chalkstring.com.

Name Servers

chalkstring.com has four authoritative name servers: ns-451.awsdns-56.com, ns-680.awsdns-21.net, ns-1236.awsdns-26.org and ns-1780.awsdns-30.co.uk.

ns-451.awsdns-56.com, ns-680.awsdns-21.net, ns-1236.awsdns-26.org and ns-1780.awsdns-30.co.uk all point to exactly two IP numbers each: ns-451.awsdns-56.com → 205.251.193.195 and 2600:9000:5301:c300::1; ns-680.awsdns-21.net → 205.251.194.168 and 2600:9000:5302:a800::1; ns-1236.awsdns-26.org → 205.251.196.212 and 2600:9000:5304:d400::1; ns-1780.awsdns-30.co.uk → 205.251.198.244 and 2600:9000:5306:f400::1.

Mail Servers

chalkstring.com has one mail server: chalkstring-com.mail.protection.outlook.com.

chalkstring-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.89.1, 52.101.89.2, 52.101.99.0 and 5 other.