accessmyscience.com - dns.ninja
accessmyscience.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | pdns85.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::79🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| A | 156.154.64.85🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| NS | pdns85.ultradns.biz | ||||||
| A | 2610:a1:1015::79🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| A | 156.154.66.85🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| NS | pdns85.ultradns.net | ||||||
| A | 2610:a1:1014::79🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| A | 156.154.65.85🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| NS | pdns85.ultradns.org | ||||||
| A | 2001:502:4612::79🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| A | 156.154.67.85🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | pdns85.ultradns.comhostmaster@mheducation.com 2014-12-04 #10 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1781103663 | ||||||
Same first word
accessmyscience.com |
DNS History
6 records (5 active, 1 former)
●NSpdns85.ultradns.biz2015-08-14 → 2026-06-10 · 2 obs
● 2026-06-10 15:02:14
●NSpdns85.ultradns.com2015-08-14 → 2026-06-10 · 2 obs
● 2026-06-10 15:02:14
●NSpdns85.ultradns.net2015-08-14 → 2026-06-10 · 2 obs
● 2026-06-10 15:02:14
●NSpdns85.ultradns.org2015-08-14 → 2026-06-10 · 2 obs
● 2026-06-10 15:02:14
●A204.74.99.1002026-04-24 → 2026-06-10 · 3 obs
● 2026-04-24 05:57:54
● 2026-06-10 15:02:14
○A204.8.135.172015-08-14 → 2016-12-06 · 4 obs
● 2016-12-06 16:24:52
○ 2026-04-24 05:57:54
○ 2026-06-10 15:02:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| accessmyscience.com | pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.65.85
NS records: pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for accessmyscience.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | pdns85.ultradns.biz, pdns85.ultradns.com... |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | pdns85.ultradns.com hostmaster.mheducati |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns85.ultradns.com, pdns85.ultradns.com)
Analysis
IP Addresses
accessmyscience.com directs to one IP number, which is 204.74.99.100.
Among the host names that share IP numbers with accessmyscience.com are haodingwang.com, expediate.at, gspfm.cn and two others.
Name Servers
DNS for accessmyscience.com is handled by 4 name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.
accessmyscience.com partially shares its NS delegation with several other domains, including mhpractice.com.mx, mcgraw-hill.co.uk, rbal.info and two others.
These name servers often co-occur with the name servers corp-hts-ns1.mcgraw-hill.com.
pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org each carry two IP addresses. pdns85.ultradns.biz has 156.154.66.85 and 2610:a1:1015::79; pdns85.ultradns.com has 156.154.64.85 and 2001:502:f3ff::79; pdns85.ultradns.net has 156.154.65.85 and 2610:a1:1014::79; pdns85.ultradns.org has 156.154.67.85 and 2001:502:4612::79.