cfem.dk DNS records

🖥️ Nameservers2 records 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records1 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	900s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records7 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	900s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	900s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	900s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	900s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	900s	aspmx4.googlemail.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	900s	aspmx5.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC293ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2012016736
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

82ms

A

105ms

MX

82ms

AAAA

129ms

TXT

312ms

CAA

124ms

HTTPS

126ms

TLSA

390ms

SOA

0ms

MTA-STS

158ms

DNSSEC

293ms

SRV

152ms

Total

2227ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 09:20:16	2227ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-30 06:35:36	1770ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-28 03:37:05	940ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-27 00:41:52	2873ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-24 22:30:23	10873ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-23 21:36:29	3292ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-22 12:52:05	6511ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-21 12:43:05	2036ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-20 11:55:10	17339ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-19 10:29:20	1630ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-18 10:27:16	9248ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-16 19:47:36	2539ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-16 05:14:14	3423ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-14 23:19:21	5450ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-13 10:26:46	1218ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-12 08:36:07	3222ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-11 05:21:45	4460ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-08 15:27:09	1434ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-06 07:25:57	1405ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-02 07:05:25	3014ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-31 20:44:45	1285ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-30 03:59:54	7479ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-28 03:13:12	3237ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-27 02:46:16	1346ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-26 02:13:56	9644ms	2 NS 1 A 7 MX	🔒 Secure	View