`mathtracks.org`

DNSSEC	⚠️ Not signed
NS	`dns1.ultrahosting.com` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
NS	`dns2.ultrahosting.com` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785500778

mathtracks.com

mathtracks.net

mathtracks.mobi

mathtracks.org

hksmartcat.com

stamkracht.nl

smartkatch.com

4 records (2 active, 2 former)

●NSdns1.ultrahosting.com2015-07-22 → 2026-07-31 · 2 obs

● 2015-07-22 11:18:40
● 2026-07-31 13:02:30

●NSdns2.ultrahosting.com2015-07-22 → 2026-07-31 · 2 obs

● 2015-07-22 11:18:40
● 2026-07-31 13:02:30

○MXmail.mathtracks.org2015-07-22 → 2017-09-12 · 4 obs

● 2015-07-22 11:18:40
● 2017-09-12 11:24:44
○ 2026-06-16 15:20:14
○ 2026-07-31 13:02:30

○A66.240.186.1202015-07-22 → 2017-09-12 · 4 obs

● 2015-07-22 11:18:40
● 2017-09-12 11:24:44
○ 2026-06-16 15:20:14
○ 2026-07-31 13:02:30

Two name servers handle the delegation for mathtracks.org: dns1.ultrahosting.com and dns2.ultrahosting.com.

mathtracks.org has the same name server configuration as other domains like tomlyle.co.uk and bakersdeluxe.com.

dns1.ultrahosting.com and dns2.ultrahosting.com each point to two IP numbers — 13.248.169.48 and 76.223.54.146 — making both hosts identical in their DNS resolution.