`formula.nu`

DNSSEC	⚠️ Not signed
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`post.formula.nu` ⭐
		A	83.91.91.2^{🇩🇰 TDC83.88.0.0/13}
			PTR	`mail.ithozting.dk`
MX	`smtp.formula.nu`⁽²⁰⁾
		A	83.91.91.10^{🇩🇰 TDC83.88.0.0/13}
			PTR	`smtp.formula.nu`
TXT	`v=spf1 ip4:83.91.91.0/26 -all`
TXT	`MS=ms72883603`
TXT	`google-site-verification=F-YUffNW7NJbUMk3KV397mWuH1y1k973LthffZTXd3w`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-04-21 #8

`nu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.nu` ⭐
	NS	`a.ns.nu`
	NS	`c.ns.nu`
	NS	`d.ns.nu`
	NS	`m.ns.nu`
	NS	`y.ns.nu`
	NS	`z.ns.nu`
	TXT	`NU zone update: 2026-04-26 14:51:33 +0000 (EPOCH 1777215093) (auto)`
	TXT	`id:d04b419f-03b9-4c55-847e-cc12db9b1e94`
	SOA	`catcher-in-the-rye.nic.nu`hostmaster@nic.nu serial=1777215154

Subdomains

smtp.formula.nu

www.formula.nu

Same first word

formula.me

formula.com.au

formula.ae

formula.cn

formula.co

formula.group

formula.biz

formula.capital

formula.net.au

formula.golf

formula.pro

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formula.care

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formula.ee

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formula.is

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formula.dk

formula.network

formula.company

formula.com.gr

formula.ie

formula.tj

formula.ca

formula.vg

formula.eng.br

formula.money

formula.fo

formula.us

formula.ro

formula.academy

formula.partners

formula.bg

formula.com.br

formula.watch

formula.gr

formula.name

formula.bz

formula.net

formula.eu.org

formula.in

formula.com.sg

formula.world

formula.id

formula.plus

formula.si

formula.org.ua

formula.ba

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formula.cz

formula.it

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formula.ge

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formula.builders

formula.se

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formula.media

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formula.education

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formula.at

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formula.tv

formula.com

Similar names

famulor.com

rumfola.com

forumla.net

umaflor.cz

flamour.ru

aluform.info

famulor.nl

lumafor.com

aluform.pl

aluform.eu

forumla.de

aluform.com

alforum.com

flamour.com

flomaru.com

aluform.se

famulor.de

aluform.de

aluform.com.au

aluform.ru

roamful.com

loufarm.com

famulor.eu

aluform.co.uk

fourmal.com

rulofam.es

aluform.net

aluform.com.tr

formual.com

aluform.nl

ralmuof.com

alforum.org

floramu.com

DNS History

13 records (5 active, 8 former)

●NShelium.ns.hetzner.de2026-04-26 → 2026-04-26 · 3 obs

○ 2017-01-04 17:18:40
● 2026-04-26 15:43:52
● 2026-04-26 15:43:54

●NShydrogen.ns.hetzner.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-01-04 17:18:40
● 2026-04-26 15:43:52
● 2026-04-26 15:43:54

○NSns1.gratisdns.dk2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

○NSns2.gratisdns.dk2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

○NSns3.gratisdns.dk2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

○NSns4.gratisdns.dk2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

○NSns5.gratisdns.dk2015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

●NSoxygen.ns.hetzner.com2026-04-26 → 2026-04-26 · 3 obs

○ 2017-01-04 17:18:40
● 2026-04-26 15:43:52
● 2026-04-26 15:43:54

●MXpost.formula.nu2015-08-21 → 2026-04-26 · 2 obs

● 2015-08-21 08:06:30
● 2026-04-26 15:43:54

●MXsmtp.formula.nu2015-08-21 → 2026-04-26 · 2 obs

● 2015-08-21 08:06:30
● 2026-04-26 15:43:54

○A2001:67c:3c0:12::532015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

○A87.49.91.2502015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

○A91.221.196.2532015-08-21 → 2017-01-04 · 4 obs

● 2015-08-21 08:06:30
● 2017-01-04 17:18:40
○ 2026-04-26 15:43:52
○ 2026-04-26 15:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...	-
formula.nu	hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com	-

✅ Authoritative Response

Server:88.198.229.192

NS records: hydrogen.ns.hetzner.com, helium.ns.hetzner.de, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formula.nu (unsigned zone)

⏱️ Timing

Total: 1778ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...`
MX	2	`post.formula.nu (pri: 10), smtp.formula.nu (pri: 20)`
TXT	3	`google-site-verification=F-YUffNW7NJbUMk, v=spf1 ip4:83.91.91.0/26 -all...`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

Analysis

Hierarchy

formula.nu is a parent of smtp.formula.nu and www.formula.nu.

Name Servers

formula.nu is delegated to name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

formula.nu at least partially shares name servers with other domains such as graunke.net, dosenteufel.com, spiller.cloud, ymc.eu and cmmx.de.

These name servers are commonly used alongside ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98.

oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192.

helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

Two mail servers handle formula.nu: post.formula.nu and smtp.formula.nu.

Host names with a single IP address:

post.formula.nu points to 83.91.91.2

smtp.formula.nu points to 83.91.91.10

formula.nu - robtex.com

formula.nu

nu

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Name Servers

Mail Servers

`formula.nu`

`nu`