Yes — ontracexpressdeliveryservice.com has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 ontracexpressdeliveryservice.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:8a27:7f32:523a:919e:8d53 answers · 443✓ 2a02:4780:84:9a2c:3e13:6d23:4768:cf53 answers · 443	yes
www over IPv6 www.ontracexpressdeliveryservice.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:22:c652:2eca:df80:7fc8:4272 answers · 443✓ 2a02:4780:21:a0c1:9cba:c1e6:c1ef:2ec4 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx.zoho.com ✗mx3.zoho.com ✗mx2.zoho.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. nebula.dns-parking.com ✓aurora.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://ontracexpressdeliveryservice.com/ via 2a02:4780:84:8a27:7f32:523a:919e:8d53 → 200

works

What's keeping ontracexpressdeliveryservice.com from an A

Mail servers without IPv6
mx.zoho.com, mx3.zoho.com, mx2.zoho.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

ontracexpressdeliveryservice.com Has IPv6

A (IPv4)	88.222.222.74 2.57.91.97
AAAA (IPv6)	2a02:4780:84:8a27:7f32:523a:919e:8d53 2a02:4780:84:9a2c:3e13:6d23:4768:cf53

www.ontracexpressdeliveryservice.com Has IPv6

Alias of	www.ontracexpressdeliveryservice.com.cdn.hstgr.net
A (IPv4)	88.222.222.191 2.57.91.58
AAAA (IPv6)	2a02:4780:22:c652:2eca:df80:7fc8:4272 2a02:4780:21:a0c1:9cba:c1e6:c1ef:2ec4

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: ontracexpressdeliveryservice.com
Measured 2026-11-15 00:55:02 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.74, 2.57.91.97
AAAA (IPv6): 2a02:4780:84:8a27:7f32:523a:919e:8d53, 2a02:4780:84:9a2c:3e13:6d23:4768:cf53
www AAAA:    2a02:4780:22:c652:2eca:df80:7fc8:4272, 2a02:4780:21:a0c1:9cba:c1e6:c1ef:2ec4

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: ontracexpressdeliveryservice.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:8a27:7f32:523a:919e:8d53: answers (TCP 443)
    2a02:4780:84:9a2c:3e13:6d23:4768:cf53: answers (TCP 443)
- www over IPv6: www.ontracexpressdeliveryservice.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:22:c652:2eca:df80:7fc8:4272: answers (TCP 443)
    2a02:4780:21:a0c1:9cba:c1e6:c1ef:2ec4: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate: HTTP 200.
    https://ontracexpressdeliveryservice.com/ via 2a02:4780:84:8a27:7f32:523a:919e:8d53 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/CC_Qm2UWyE

Permanent link: aaaa.bot/r/CC_Qm2UWyE · How we measure

Checked 2026-11-15 00:55:02 UTC. Full DNS report: dns.pizza/domain/ontracexpressdeliveryservice.com · Age, certificate and blocklists: how.is/ontracexpressdeliveryservice.com · JSON: /api/v1/ontracexpressdeliveryservice.com