`dufner.org`

DNSSEC	⚠️ Not signed
NS	`ns1041.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5329:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1041.ui-dns.org`
		A	217.160.83.41^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1041.ui-dns.org`
NS	`ns1067.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5143:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1067.ui-dns.biz`
		A	217.160.81.67^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1067.ui-dns.biz`
NS	`ns1087.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5257:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1087.ui-dns.com`
		A	217.160.82.87^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1087.ui-dns.com`
NS	`ns1097.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:97^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1097.ui-dns.de`
		A	217.160.80.97^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1097.ui-dns.de`
MX	`mail.tutanota.de` ⭐
		A	185.205.69.211^{🇺🇸 TUTA185.205.69.0/24}
			PTR	`mail.w11.tutanota.de`
		A	185.205.69.213^{🇺🇸 TUTA185.205.69.0/24}
			PTR	`mail.w13.tutanota.de`
		A	185.205.69.214^{🇺🇸 TUTA185.205.69.0/24}
			PTR	`mail.w14.tutanota.de`
TXT	`t-verify=20b466a37022b8db28620c84e2bee4e1`
TXT	`v=spf1 include:spf.tutanota.de -all`
SOA	`ns1041.ui-dns.org`hostmaster@1und1.com 2017-06-01 #35

`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=1777244459

Same first word

dufner.com

dufner.jetzt

dufner.eu

dufner.me

dufner.de

dufner.org

dufner.info

Similar names

fruend.dk

refund.ca

dunfer.com

funder.co.nz

refund.nl

refund.ooo

refund.info

freund.co.jp

freund.fr

redfun.co.uk

freund.de

freund.ru

nerdfu.net

freund.it

freund.email

freund.name

refund.co.in

refund.com

funder.de

funder.net

fruend.de

refund.org

freund.co.kr

freund.la

refund.kr

freund.space

funder.dk

freund.dk

freund.gmbh

refund.us

funder.me

rundef.com

refund.eu

frednu.se

refund.cn

redfun.eu

funred.com

frunde.com

freund.es

refund.dk

erfund.go.th

redfun.org

refund.me

refund.life

funder.fr

refund.de

funder.biz

funder.capital

funder.fund

funder.co.il

freund.family

freund.biz

defurn.org

freund.world

fredun.com

freund.org

funder.com.au

unfred.com

funder.com

freund.at

funder.hn

freund.wtf

frendu.nl

freund.in

freund.eu

freund.nyc

funder.be

fendur.com

freund.net

refund.lt

funder.co.uk

defurn.de

funder.net.au

freund.consulting

freund.co

funder.it

dernfu.cn

funder.at

refund.co.uk

funder.pl

edfurn.com

redfun.net

refund.ie

freund.cz

drenuf.myshopify.com

funder.org

ndefru.com

funder.org.hn

funder.ru

funder.ch

fruend.net

nurfed.com

funder.mobi

freund.sk

refund.xyz

DNS History

16 records (5 active, 11 former)

●NSns1041.ui-dns.org2026-04-07 → 2026-04-26 · 3 obs

○ 2021-01-08 19:30:52
● 2026-04-07 10:12:50
● 2026-04-26 23:19:58

●NSns1067.ui-dns.biz2026-04-07 → 2026-04-26 · 3 obs

○ 2021-01-08 19:30:52
● 2026-04-07 10:12:50
● 2026-04-26 23:19:58

○NSns1077.ui-dns.biz2020-01-19 → 2021-01-08 · 5 obs

○ 2017-01-27 00:38:52
● 2020-01-19 08:25:36
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

○NSns1077.ui-dns.com2020-01-19 → 2021-01-08 · 5 obs

○ 2017-01-27 00:38:52
● 2020-01-19 08:25:36
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

○NSns1077.ui-dns.de2020-01-19 → 2021-01-08 · 5 obs

○ 2017-01-27 00:38:52
● 2020-01-19 08:25:36
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

○NSns1077.ui-dns.org2020-01-19 → 2021-01-08 · 5 obs

○ 2017-01-27 00:38:52
● 2020-01-19 08:25:36
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

●NSns1087.ui-dns.com2026-04-07 → 2026-04-26 · 3 obs

○ 2021-01-08 19:30:52
● 2026-04-07 10:12:50
● 2026-04-26 23:19:58

●NSns1097.ui-dns.de2026-04-07 → 2026-04-26 · 3 obs

○ 2021-01-08 19:30:52
● 2026-04-07 10:12:50
● 2026-04-26 23:19:58

○NSns65.1und1.de2015-07-11 → 2017-01-27 · 4 obs

● 2015-07-11 19:21:16
● 2017-01-27 00:38:52
○ 2020-01-19 08:25:36
○ 2026-04-26 23:19:58

○NSns66.1und1.de2015-07-11 → 2017-01-27 · 4 obs

● 2015-07-11 19:21:16
● 2017-01-27 00:38:52
○ 2020-01-19 08:25:36
○ 2026-04-26 23:19:58

●MXmail.tutanota.de2026-04-07 → 2026-04-26 · 3 obs

○ 2021-01-08 19:30:52
● 2026-04-07 10:12:50
● 2026-04-26 23:19:58

○MXmx00.kundenserver.de2015-07-11 → 2021-01-08 · 4 obs

● 2015-07-11 19:21:16
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

○MXmx01.kundenserver.de2015-07-11 → 2021-01-08 · 4 obs

● 2015-07-11 19:21:16
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

○A217.160.0.392020-01-19 → 2021-01-08 · 5 obs

○ 2017-01-27 00:38:52
● 2020-01-19 08:25:36
● 2021-01-08 19:30:52
○ 2026-04-07 10:12:50
○ 2026-04-26 23:19:58

○A217.160.223.1892016-05-05 → 2017-01-27 · 5 obs

○ 2016-02-12 16:16:26
● 2016-05-05 18:15:16
● 2017-01-27 00:38:52
○ 2020-01-19 08:25:36
○ 2026-04-26 23:19:58

○A87.106.112.1052015-07-11 → 2016-02-12 · 4 obs

● 2015-07-11 19:21:16
● 2016-02-12 16:16:26
○ 2016-05-05 18:15:16
○ 2026-04-26 23:19:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
dufner.org	ns1041.ui-dns.org, ns1067.ui-dns.biz, ns1087.ui-dns.com, ns1097.ui-dns.de	2 records

✅ Authoritative Response

Server:217.160.83.41

NS records: ns1041.ui-dns.org, ns1067.ui-dns.biz, ns1087.ui-dns.com, ns1097.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dufner.org (unsigned zone)

⏱️ Timing

Total: 652ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1041.ui-dns.org, ns1097.ui-dns.de...`
MX	1	`mail.tutanota.de (pri: 10)`
TXT	2	`t-verify=20b466a37022b8db28620c84e2bee4e, v=spf1 include:spf.tutanota.de -all`
SOA	1	`ns1041.ui-dns.org hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1041.ui-dns.org, ns1041.ui-dns.org)

Analysis

Name Servers

dufner.org is delegated to four name servers: ns1067.ui-dns.biz, ns1087.ui-dns.com, ns1097.ui-dns.de and ns1041.ui-dns.org.

dufner.org shares name servers with other domains at least partially, for example keubo.de, tantana.com, unitedlashing.de, yakovetz.com and foogol.de.

these name servers are often used with the following: ns1087.ui-dns.biz, ns1087.ui-dns.de, ns1087.ui-dns.org, ns1097.ui-dns.com, ns1041.ui-dns.com, ns1097.ui-dns.biz, ns1097.ui-dns.org, ns1041.ui-dns.biz, ns1041.ui-dns.de and ns1067.ui-dns.com.

Host names with two IP numbers:

ns1067.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5143:100 and 217.160.81.67

ns1087.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5257:100 and 217.160.82.87

ns1097.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:97 and 217.160.80.97

ns1041.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5329:100 and 217.160.83.41

Mail Servers

dufner.org is handled by a single mail server, mail.tutanota.de.

dufner.org shares the same mail server setup as other domains, for instance glamourdresser.com, kondur.com, losthalcyon.com, dbtl.org and apaise.com.

dufner.org shares some mail servers with other domains, at least partially; examples include rivereau.com, goingdark.social and demaziere.be.

Host name mail.tutanota.de points to three IP numbers: 185.205.69.211, 185.205.69.213 and 185.205.69.214.

dufner.org - robtex.com

dufner.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`dufner.org`

`org`