simtec.org - dns.ninja
simtec.org
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::ac43:d5cfπΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:4330πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.67.48Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.213.207πΊπΈ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | alice.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3a3cπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03cπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203cπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 108.162.192.60πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 172.64.32.60πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| A | 173.245.58.60πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alice.ns.cloudflare.com | ||||||
| NS | pablo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bdcπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pablo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1dcπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | pablo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21dcπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | pablo.ns.cloudflare.com | ||||||
| A | 108.162.193.220πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pablo.ns.cloudflare.com | ||||||
| A | 172.64.33.220πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pablo.ns.cloudflare.com | ||||||
| A | 173.245.59.220πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pablo.ns.cloudflare.com | ||||||
| MX | _dc-mx.40c5c1249c2e.simtec.org β | ||||||
| A | 109.234.165.74π«π· O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-165-74.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.165.74 +a +mx +ip4:109.234.163.0/24 ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.67.48, 172.67.213.207 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:d5cf, 2606:4700:3035::6815:4330 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com | ||||||
| SOA | alice.ns.cloudflare.comdns@cloudflare.com serial=2406871304 | ||||||
org
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info β β οΈ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info β οΈ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info β οΈ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1781595439 | ||||||
Subdomains
Same first word
Similar names
DNS History
19 records (7 active, 12 former)
βNSalice.ns.cloudflare.com2026-03-07 β 2026-06-16 Β· 3 obs
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βNSdns12.ovh.net2015-05-29 β 2021-02-09 Β· 4 obs
β 2021-02-09 05:41:04
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βNSns1.o2switch.net2026-03-07 β 2026-06-16 Β· 2 obs
β 2026-06-16 07:59:02
βNSns12.ovh.net2015-05-29 β 2021-02-09 Β· 4 obs
β 2021-02-09 05:41:04
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βNSns2.o2switch.net2026-03-07 β 2026-06-16 Β· 2 obs
β 2026-06-16 07:59:02
βNSpablo.ns.cloudflare.com2026-03-07 β 2026-06-16 Β· 3 obs
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βMX_dc-mx.40c5c1249c2e.simtec.org2026-03-07 β 2026-06-16 Β· 3 obs
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βMXmail.simtec.org2026-03-07 β 2026-06-16 Β· 2 obs
β 2026-06-16 07:59:02
βMXsimtec-org.mail.protection.outlook.com2015-05-29 β 2021-02-09 Β· 4 obs
β 2021-02-09 05:41:04
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βA104.21.67.482026-03-07 β 2026-06-16 Β· 9 obs
β 2026-03-07 14:31:12
β 2026-04-01 15:13:24
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA172.67.213.2072026-03-07 β 2026-06-16 Β· 9 obs
β 2026-03-07 14:31:12
β 2026-04-01 15:13:24
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA188.114.96.02026-04-09 β 2026-05-06 Β· 7 obs
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA188.114.97.02026-04-09 β 2026-05-06 Β· 7 obs
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA213.186.33.162015-05-29 β 2021-02-09 Β· 4 obs
β 2021-02-09 05:41:04
β 2026-03-07 14:31:12
β 2026-06-16 07:59:02
βA2606:4700:3030::ac43:d5cf2026-03-07 β 2026-06-16 Β· 9 obs
β 2026-03-07 14:31:12
β 2026-04-01 15:13:24
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA2606:4700:3035::6815:43302026-03-07 β 2026-06-16 Β· 9 obs
β 2026-03-07 14:31:12
β 2026-04-01 15:13:24
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA2a06:98c1:3120::2026-04-09 β 2026-05-06 Β· 7 obs
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA2a06:98c1:3121::2026-04-09 β 2026-05-06 Β· 7 obs
β 2026-04-09 12:14:08
β 2026-04-25 00:14:26
β 2026-04-30 01:38:42
β 2026-05-06 18:58:08
β 2026-05-20 18:36:36
β 2026-06-16 07:59:02
βA78.40.11.682026-03-07 β 2026-06-16 Β· 2 obs
β 2026-06-16 07:59:02
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| simtec.org | pablo.ns.cloudflare.com, alice.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.220
NS records: pablo.ns.cloudflare.com, alice.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for simtec.org (unsigned zone)
β±οΈ Timing
Total: 1013ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.213.207, 104.21.67.48 |
| AAAA | 2 | 2606:4700:3030::ac43:d5cf, 2606:4700:3035::6815:4330 |
| NS | 2 | alice.ns.cloudflare.com, pablo.ns.cloudflare.com |
| MX | 1 | _dc-mx.40c5c1249c2e.simtec.org (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.165.74 +a +mx +ip4:10 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alice.ns.cloudflare.com dns.cloudflare.c |
Analysis
Hierarchy
The parent domain of www.simtec.org and mail.simtec.org is simtec.org.
IP Addresses
simtec.org resolves to four IP addresses: 104.21.67.48, 172.67.213.207, 2606:4700:3030::ac43:d5cf and 2606:4700:3035::6815:4330.
Among the host names that share IP numbers with simtec.org are eidohealthcare.com, brinyirishpub.com, puresolutionslab.se and two others.
Name Servers
simtec.org has two authoritative name servers β alice.ns.cloudflare.com and pablo.ns.cloudflare.com.
simtec.org has the same name server delegation as a number of other domains, such as santenews.net, ficc2019.com, king-chess.fr and two more.
simtec.org has at least partial name server overlap with other domains, such as czdcasdq.cyou, offerupnow.com, lisboa7auh5api.work and two others.
It is common to see these name servers used together with name servers donna.ns.cloudflare.com and gina.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
alice.ns.cloudflare.com points to 108.162.192.60, 172.64.32.60, 173.245.58.60 and 3 other IP addresses.
pablo.ns.cloudflare.com points to 108.162.193.220, 172.64.33.220, 173.245.59.220 and 3 other IP addresses.
Mail Servers
simtec.org routes its mail through a single mail server, _dc-mx.40c5c1249c2e.simtec.org.
_dc-mx.40c5c1249c2e.simtec.org points to one IP number β 109.234.165.74.