formula37.ru - robtex.com

formula37.ru

DNSSEC⚠️ Not signed
A77.232.135.111🇷🇺 TimeWeb-AS77.232.135.0/24
PTR1503733-cs63050.tw1.ru
NSa.ns.selectel.ru ⭐
A2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object
PTRa.ns.selectel.ru
NSb.ns.selectel.ru
A2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object
PTRb.ns.selectel.ru
NSc.ns.selectel.ru
A2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object
PTRc.ns.selectel.ru
NSd.ns.selectel.ru
A2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object
PTRd.ns.selectel.ru
MXmx.yandex.net ⭐
A2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRmxfront.stable.qloud-b.yandex.net
A77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network
PTRmxfront.stable.qloud-b.yandex.net
TXTv=spf1 redirect=_spf.yandex.net
TXTv=spf1 ip4:77.223.119.52 -all include:spf.unisender.com include:spf.theeml.c...
SOAa.ns.selectel.rusupport@selectel.ru 2026-06-09 #2

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4069321

Same first word

formula37.ru

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSa.ns.selectel.rub.ns.selectel.ruc.ns.selectel.rud.ns.selectel.runs1.frienddns.runs2.frienddns.rus159.friendhosting.netMXmx.yandex.netmail.formula37.ruA77.232.135.11177.223.119.5282.118.21.13191.210.166.68
●NSa.ns.selectel.ru2026-03-04 → 2026-06-20 · 3 obs
○ 2017-03-23 22:59:56
● 2026-03-04 17:28:00
● 2026-06-20 07:44:52
●NSb.ns.selectel.ru2026-03-04 → 2026-06-20 · 3 obs
○ 2017-03-23 22:59:56
● 2026-03-04 17:28:00
● 2026-06-20 07:44:52
●NSc.ns.selectel.ru2026-03-04 → 2026-06-20 · 3 obs
○ 2017-03-23 22:59:56
● 2026-03-04 17:28:00
● 2026-06-20 07:44:52
●NSd.ns.selectel.ru2026-03-04 → 2026-06-20 · 3 obs
○ 2017-03-23 22:59:56
● 2026-03-04 17:28:00
● 2026-06-20 07:44:52
○NSns1.frienddns.ru2015-07-24 → 2017-03-23 · 4 obs
● 2015-07-24 15:00:40
● 2017-03-23 22:59:56
○ 2026-03-04 17:28:00
○ 2026-06-20 07:44:52
○NSns2.frienddns.ru2015-07-24 → 2017-03-23 · 4 obs
● 2015-07-24 15:00:40
● 2017-03-23 22:59:56
○ 2026-03-04 17:28:00
○ 2026-06-20 07:44:52
○NSs159.friendhosting.net2015-07-24 → 2017-03-23 · 4 obs
● 2015-07-24 15:00:40
● 2017-03-23 22:59:56
○ 2026-03-04 17:28:00
○ 2026-06-20 07:44:52
○MXmail.formula37.ru2015-07-24 → 2017-03-23 · 4 obs
● 2015-07-24 15:00:40
● 2017-03-23 22:59:56
○ 2026-03-04 17:28:00
○ 2026-06-20 07:44:52
●MXmx.yandex.net2026-03-04 → 2026-06-20 · 3 obs
○ 2017-03-23 22:59:56
● 2026-03-04 17:28:00
● 2026-06-20 07:44:52
○A77.223.119.522026-03-04 → 2026-05-28 · 5 obs
○ 2017-03-23 22:59:56
● 2026-03-04 17:28:00
● 2026-05-28 19:17:00
○ 2026-06-20 07:44:48
○ 2026-06-20 07:44:52
●A77.232.135.1112026-06-20 → 2026-06-20 · 3 obs
○ 2026-05-28 19:17:00
● 2026-06-20 07:44:48
● 2026-06-20 07:44:52
○A82.118.21.1312015-07-24 → 2016-07-05 · 4 obs
● 2015-07-24 15:00:40
● 2016-07-05 18:39:56
○ 2017-03-23 22:59:56
○ 2026-06-20 07:44:52
○A91.210.166.682017-03-23 → 2017-03-23 · 4 obs
○ 2016-07-05 18:39:56
● 2017-03-23 22:59:56
○ 2026-03-04 17:28:00
○ 2026-06-20 07:44:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
formula37.rua.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru8 records

✅ Authoritative Response

Server:77.223.114.2

NS records: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formula37.ru (unsigned zone)

⏱️ Timing

Total: 1310ms | Queries: -

📄 Records

TypeCountSample Data
A177.232.135.111
NS4a.ns.selectel.ru, d.ns.selectel.ru...
MX1mx.yandex.net (pri: 10)
TXT2v=spf1 ip4:77.223.119.52 -all include:s, v=spf1 redirect=_spf.yandex.net
SOA1a.ns.selectel.ru support.selectel.ru

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru...)

Analysis

IP Addresses

formula37.ru resolves to just one IP address, 77.232.135.111.

Two other host names, along with saplab.ru, motor51.ru and dv-ok.ru, also share IP numbers with formula37.ru.

Name Servers

The NS records for formula37.ru point to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.

The name servers of formula37.ru overlap at least partially with those of other domains — among them xn-----glceeuqybk5p.xn--p1ai, cpauto.ru, poisondrop.ru and two more.

The name servers ns1.baz-on.ru, ns2.baz-on.ru and ns3.selectel.org are commonly seen alongside these name servers.

Each of the four hosts a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru has two IP addresses. a.ns.selectel.ru points to 188.68.203.1 and 2a00:ab00:800::2:53. b.ns.selectel.ru points to 77.223.114.2 and 2a00:ab00:801::2:53. c.ns.selectel.ru points to 188.68.203.3 and 2a00:ab00:802::2:53. d.ns.selectel.ru points to 77.223.114.4 and 2a00:ab00:803::2:53.

Mail Servers

The sole mail server for formula37.ru is mx.yandex.net.

Among the domains sharing a mail server setup with formula37.ru are moongroupco.com, multigrandhotel.com, lachestry.tech and two others.

There is at least a partial MX overlap between formula37.ru and other domains, including en-ua.com, san-tec.ru, nasosregion.net and two others.

mx.yandex.net resolves to two IP numbers — 77.88.21.249 and 2a02:6b8::311.