mathsheets.org - dns.ninja

mathsheets.org

DNSSEC⚠️ Not signed
A104.236.240.13🇺🇸 DIGITALOCEAN104.236.192.0/18 DigitalOcean
NSns1103.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5367:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1103.ui-dns.org
A217.160.83.103🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1103.ui-dns.org
NSns1103.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5167:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1103.ui-dns.biz
A217.160.81.103🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1103.ui-dns.biz
NSns1103.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5267:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1103.ui-dns.com
A217.160.82.103🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1103.ui-dns.com
NSns1103.ui-dns.de
A2607:f1c0:fe:53:185:132:32:103🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1103.ui-dns.de
A185.132.32.103🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1103.ui-dns.de
A217.160.80.103🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1103.ui-dns.de
MXmx00.ionos.com
A74.208.5.3🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
MXmx01.ionos.com
A74.208.5.21🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
TXTv=spf1 include:_spf-us.ionos.com ~all
SOAns1103.ui-dns.orghostmaster@1and1.com 2012-12-05 #14

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1781621850

Same first word

Similar names

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1103.ui-dns.bizns1103.ui-dns.comns1103.ui-dns.dens1103.ui-dns.orgns51.1and1.comns52.1and1.comMXmx00.ionos.commx01.ionos.commx00.1and1.commx01.1and1.comA104.236.240.13166.78.8.202
NSns1103.ui-dns.biz2020-04-03 → 2026-06-16 · 3 obs
○ 2017-04-04 18:37:58
● 2020-04-03 12:42:20
● 2026-06-16 15:33:12
NSns1103.ui-dns.com2020-04-03 → 2026-06-16 · 3 obs
○ 2017-04-04 18:37:58
● 2020-04-03 12:42:20
● 2026-06-16 15:33:12
NSns1103.ui-dns.de2020-04-03 → 2026-06-16 · 3 obs
○ 2017-04-04 18:37:58
● 2020-04-03 12:42:20
● 2026-06-16 15:33:12
NSns1103.ui-dns.org2020-04-03 → 2026-06-16 · 3 obs
○ 2017-04-04 18:37:58
● 2020-04-03 12:42:20
● 2026-06-16 15:33:12
NSns51.1and1.com2015-04-28 → 2017-04-04 · 4 obs
● 2015-04-28 22:42:16
● 2017-04-04 18:37:58
○ 2020-04-03 12:42:20
○ 2026-06-16 15:33:12
NSns52.1and1.com2015-04-28 → 2017-04-04 · 4 obs
● 2015-04-28 22:42:16
● 2017-04-04 18:37:58
○ 2020-04-03 12:42:20
○ 2026-06-16 15:33:12
MXmx00.1and1.com2015-04-28 → 2020-04-03 · 4 obs
● 2015-04-28 22:42:16
● 2020-04-03 12:42:20
○ 2026-03-26 09:24:48
○ 2026-06-16 15:33:12
MXmx00.ionos.com2026-03-26 → 2026-06-16 · 3 obs
○ 2020-04-03 12:42:20
● 2026-03-26 09:24:48
● 2026-06-16 15:33:12
MXmx01.1and1.com2015-04-28 → 2020-04-03 · 4 obs
● 2015-04-28 22:42:16
● 2020-04-03 12:42:20
○ 2026-03-26 09:24:48
○ 2026-06-16 15:33:12
MXmx01.ionos.com2026-03-26 → 2026-06-16 · 3 obs
○ 2020-04-03 12:42:20
● 2026-03-26 09:24:48
● 2026-06-16 15:33:12
A104.236.240.132020-04-03 → 2026-06-16 · 3 obs
○ 2017-04-04 18:37:58
● 2020-04-03 12:42:20
● 2026-06-16 15:33:12
A166.78.8.2022015-04-28 → 2017-04-04 · 4 obs
● 2015-04-28 22:42:16
● 2017-04-04 18:37:58
○ 2020-04-03 12:42:20
○ 2026-06-16 15:33:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
mathsheets.orgns1103.ui-dns.com, ns1103.ui-dns.biz, ns1103.ui-dns.de, ns1103.ui-dns.org2 records

✅ Authoritative Response

Server:217.160.83.103

NS records: ns1103.ui-dns.com, ns1103.ui-dns.biz, ns1103.ui-dns.de, ns1103.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathsheets.org (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

TypeCountSample Data
A1104.236.240.13
NS4ns1103.ui-dns.org, ns1103.ui-dns.de...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
SOA1ns1103.ui-dns.org hostmaster.1and1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1103.ui-dns.org, ns1103.ui-dns.org)

Analysis

IP Addresses

mathsheets.org has exactly one IP address — 104.236.240.13.

Name Servers

Four name servers handle the delegation for mathsheets.org: ns1103.ui-dns.biz, ns1103.ui-dns.com, ns1103.ui-dns.de and ns1103.ui-dns.org.

At least some of mathsheets.org's name servers are shared with other domains, for example roskamp.de, cityandcolour.net, metallschleifmaschine.de and two more.

These name servers tend to co-occur with ns1044.ui-dns.org, ns1027.ui-dns.de, ns1092.ui-dns.biz and 6 other name servers in the same DNS delegations.

Host names carrying three IP numbers:

The hostname ns1103.ui-dns.de directs to 185.132.32.103, 217.160.80.103 and 2607:f1c0:fe:53:185:132:32:103.

Host names pointing to two IP addresses:

ns1103.ui-dns.biz directs traffic to 217.160.81.103 and 2001:8d8:fe:53:0:d9a0:5167:100.

ns1103.ui-dns.com directs traffic to 217.160.82.103 and 2001:8d8:fe:53:0:d9a0:5267:100.

ns1103.ui-dns.org directs traffic to 217.160.83.103 and 2001:8d8:fe:53:0:d9a0:5367:100.

Mail Servers

mathsheets.org uses two mail servers, mx00.ionos.com and mx01.ionos.com.

The mail server setup of mathsheets.org matches that of other domains such as maui-island.us, hostedbelltelephone.com, axe-construction.ca and two others.

Each of mx00.ionos.com and mx01.ionos.com has one IP address: mx00.ionos.com uses 74.208.5.3 and mx01.ionos.com uses 74.208.5.21.