math.de - dns.ninja

`math.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.60^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1091.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:525b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.com`
		A	217.160.82.91^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.com`
NS	`ns1091.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:515b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.biz`
		A	217.160.81.91^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.biz`
NS	`ns1091.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:91^{🇺🇸 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	`ns1091.ui-dns.de`
		A	217.160.80.91^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.de`
NS	`ns1091.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:535b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.org`
		A	217.160.83.91^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1091.ui-dns.com`hostmaster@schlund.de 2016-04-19 #9

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1782892666

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DNS History

14 records (8 active, 6 former)

○NSns10.schlund.de2015-07-19 → 2017-08-01 · 4 obs

● 2015-07-19 06:59:30
● 2017-08-01 20:45:06
○ 2026-02-23 01:06:38
○ 2026-07-01 08:22:20

●NSns1091.ui-dns.biz2026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

●NSns1091.ui-dns.com2026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

●NSns1091.ui-dns.de2026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

●NSns1091.ui-dns.org2026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

○NSns9.schlund.de2015-07-19 → 2017-08-01 · 4 obs

● 2015-07-19 06:59:30
● 2017-08-01 20:45:06
○ 2026-02-23 01:06:38
○ 2026-07-01 08:22:20

●MXmx00.ionos.de2026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

○MXmx00.schlund.de2015-07-19 → 2017-08-01 · 4 obs

● 2015-07-19 06:59:30
● 2017-08-01 20:45:06
○ 2026-02-23 01:06:38
○ 2026-07-01 08:22:20

●MXmx01.ionos.de2026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

○MXmx01.schlund.de2015-07-19 → 2017-08-01 · 4 obs

● 2015-07-19 06:59:30
● 2017-08-01 20:45:06
○ 2026-02-23 01:06:38
○ 2026-07-01 08:22:20

●A2001:8d8:100f:f000::2002026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

●A217.160.0.602026-02-23 → 2026-07-01 · 3 obs

○ 2017-08-01 20:45:06
● 2026-02-23 01:06:38
● 2026-07-01 08:22:20

○A217.160.231.1572016-09-23 → 2017-08-01 · 5 obs

○ 2016-03-16 22:45:12
● 2016-09-23 04:40:46
● 2017-08-01 20:45:06
○ 2026-02-23 01:06:38
○ 2026-07-01 08:22:20

○A82.165.97.1472015-07-19 → 2016-03-16 · 4 obs

● 2015-07-19 06:59:30
● 2016-03-16 22:45:12
○ 2016-09-23 04:40:46
○ 2026-07-01 08:22:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
math.de	ns1091.ui-dns.org, ns1091.ui-dns.biz, ns1091.ui-dns.de, ns1091.ui-dns.com	-

✅ Authoritative Response

Server:217.160.83.91

NS records: ns1091.ui-dns.org, ns1091.ui-dns.biz, ns1091.ui-dns.de, ns1091.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math.de (unsigned zone)

⏱️ Timing

Total: 1077ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.60`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1091.ui-dns.org, ns1091.ui-dns.com...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1091.ui-dns.com hostmaster.schlund.de`

Analysis

IP Addresses

math.de resolves to the IP addresses 217.160.0.60 and 2001:8d8:100f:f000::200

Two other host names, along with riversidearts.co.uk, dl-irdata.com and rantogasm.com, also share IP numbers with math.de.

Name Servers

The NS records for math.de point to four name servers: ns1091.ui-dns.biz, ns1091.ui-dns.com, ns1091.ui-dns.de and ns1091.ui-dns.org.

math.de partially shares its NS delegation with several other domains, including wisgmbh.de, querciabuca.com, adirsch.de and two others.

In DNS configurations, these name servers often share authority with ns1067.ui-dns.de, ns1076.ui-dns.com, ns1047.ui-dns.org and 7 other name servers.

ns1091.ui-dns.biz, ns1091.ui-dns.com, ns1091.ui-dns.de and ns1091.ui-dns.org each carry two IP addresses. ns1091.ui-dns.biz has 217.160.81.91 and 2001:8d8:fe:53:0:d9a0:515b:100; ns1091.ui-dns.com has 217.160.82.91 and 2001:8d8:fe:53:0:d9a0:525b:100; ns1091.ui-dns.de has 217.160.80.91 and 2607:f1c0:fe:53:185:132:32:91; ns1091.ui-dns.org has 217.160.83.91 and 2001:8d8:fe:53:0:d9a0:535b:100.

Mail Servers

math.de is served by two mail servers, mx00.ionos.de and mx01.ionos.de.

Among the domains sharing a mail server setup with math.de are gruender-ideen50plus.de, messevision.de, dasaltepfarrhaus.de and two others.

mx00.ionos.de resolves to 212.227.15.41. mx01.ionos.de resolves to 217.72.192.67. Both host names point to a single IP number.