grasstools.dk DNS records

🖥️ Nameservers2 records 66ms

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 52ms

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 Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 245ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (grasstools.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.grasstools.dk)
p=reject	v=DMARC1;p=reject;pct=100;aspf=r;

📬 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)

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	3325
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

66ms

A

52ms

MX

57ms

AAAA

52ms

TXT

245ms

CAA

63ms

HTTPS

49ms

TLSA

62ms

SOA

0ms

MTA-STS

59ms

DNSSEC

82ms

SRV

71ms

Total

551ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 12:57:06	551ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-31 13:38:46	1350ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 06:24:12	471ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 03:25:04	973ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 17:49:07	624ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 21:12:42	389ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 07:45:15	1792ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 04:24:39	1765ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 02:35:52	733ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 02:17:00	3200ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 02:09:13	1214ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 01:48:27	2291ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 00:50:33	2082ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 20:11:01	701ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 18:16:28	861ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 13:34:34	2453ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 08:49:54	9465ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 05:59:44	2314ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 15:14:15	979ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 09:42:14	949ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 19:52:31	8566ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 00:46:22	588ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-03 02:44:35	775ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-01 06:23:36	656ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-30 16:02:17	579ms	2 NS 1 A 0 MX	🔒 Secure	View